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53942550 = 23522711327
BaseRepresentation
bin1100110111000…
…1100100010110
310202111120021020
43031301210112
5102302130200
65204102010
71223334624
oct315614426
9122446236
1053942550
11284a3922
1216094906
13b238a8c
147242514
154b07ea0
hex3371916

53942550 has 48 divisors (see below), whose sum is σ = 134372352. Its totient is φ = 14320800.

The previous prime is 53942549. The next prime is 53942561. The reversal of 53942550 is 5524935.

53942550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39987 + ... + 41313.

It is an arithmetic number, because the mean of its divisors is an integer number (2799424).

Almost surely, 253942550 is an apocalyptic number.

53942550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53942550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67186176).

53942550 is an abundant number, since it is smaller than the sum of its proper divisors (80429802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53942550 is a wasteful number, since it uses less digits than its factorization.

53942550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 53942550 is about 7344.5592107355. The cubic root of 53942550 is about 377.8422258046.

The spelling of 53942550 in words is "fifty-three million, nine hundred forty-two thousand, five hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 150 271 542 813 1327 1355 1626 2654 2710 3981 4065 6635 6775 7962 8130 13270 13550 19905 20325 33175 39810 40650 66350 99525 199050 359617 719234 1078851 1798085 2157702 3596170 5394255 8990425 10788510 17980850 26971275 53942550