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53023550 = 252732199
BaseRepresentation
bin1100101001000…
…1001100111110
310200202212122012
43022101030332
5102033223200
65132251222
71212456416
oct312211476
9120685565
1053023550
1127a26418
1215910b12
13aca66a8
147083646
1549c5a35
hex329133e

53023550 has 36 divisors (see below), whose sum is σ = 100495800. Its totient is φ = 20813760.

The previous prime is 53023549. The next prime is 53023573. The reversal of 53023550 is 5532035.

It is a happy number.

53023550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×530235502 = 5622993709205000, which contains 22 as substring.

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 17 ways as a sum of consecutive naturals, for example, 266351 + ... + 266549.

It is an arithmetic number, because the mean of its divisors is an integer number (2791550).

Almost surely, 253023550 is an apocalyptic number.

53023550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53023550 is a deficient number, since it is larger than the sum of its proper divisors (47472250).

53023550 is a wasteful number, since it uses less digits than its factorization.

53023550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 23.

The square root of 53023550 is about 7281.7271302899. The cubic root of 53023550 is about 375.6842027369.

Adding to 53023550 its reverse (5532035), we get a palindrome (58555585).

The spelling of 53023550 in words is "fifty-three million, twenty-three thousand, five hundred fifty".

Divisors: 1 2 5 10 25 50 73 146 199 365 398 730 995 1825 1990 3650 4975 5329 9950 10658 14527 26645 29054 53290 72635 133225 145270 266450 363175 726350 1060471 2120942 5302355 10604710 26511775 53023550