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57375357 = 3131786539
BaseRepresentation
bin1101101011011…
…1101001111101
310222221222012020
43122313221331
5104142002412
65405430353
71264453044
oct332675175
9128858166
1057375357
112a428a56
121726b3b9
13bb6b420
14789755b
15508518c
hex36b7a7d

57375357 has 16 divisors (see below), whose sum is σ = 87232320. Its totient is φ = 33230592.

The previous prime is 57375349. The next prime is 57375361. The reversal of 57375357 is 75357375.

It is not a de Polignac number, because 57375357 - 23 = 57375349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57375347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42607 + ... + 43932.

It is an arithmetic number, because the mean of its divisors is an integer number (5452020).

Almost surely, 257375357 is an apocalyptic number.

It is an amenable number.

57375357 is a deficient number, since it is larger than the sum of its proper divisors (29856963).

57375357 is a wasteful number, since it uses less digits than its factorization.

57375357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86572.

The product of its digits is 385875, while the sum is 42.

The square root of 57375357 is about 7574.6522692464. The cubic root of 57375357 is about 385.6930385513.

The spelling of 57375357 in words is "fifty-seven million, three hundred seventy-five thousand, three hundred fifty-seven".

Divisors: 1 3 13 17 39 51 221 663 86539 259617 1125007 1471163 3375021 4413489 19125119 57375357