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53549913 = 379225949
BaseRepresentation
bin1100110001000…
…1101101011001
310201202121200010
43030101231121
5102202044123
65151432133
71220111124
oct314215531
9121677603
1053549913
112825592a
1215b25649
13b12c151
14717d3bb
154a7b993
hex3311b59

53549913 has 8 divisors (see below), whose sum is σ = 72304000. Its totient is φ = 35247888.

The previous prime is 53549893. The next prime is 53549929. The reversal of 53549913 is 31994535.

53549913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53549913 - 26 = 53549849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53549963) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 112738 + ... + 113211.

It is an arithmetic number, because the mean of its divisors is an integer number (9038000).

Almost surely, 253549913 is an apocalyptic number.

It is an amenable number.

53549913 is a deficient number, since it is larger than the sum of its proper divisors (18754087).

53549913 is a wasteful number, since it uses less digits than its factorization.

53549913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226031.

The product of its digits is 72900, while the sum is 39.

The square root of 53549913 is about 7317.7806061674. The cubic root of 53549913 is about 376.9232465756.

The spelling of 53549913 in words is "fifty-three million, five hundred forty-nine thousand, nine hundred thirteen".

Divisors: 1 3 79 237 225949 677847 17849971 53549913