57235255 has 16 divisors (see below), whose sum is σ = 85630464. Its totient is φ = 35678880.

The previous prime is 57235253. The next prime is 57235259. The reversal of 57235255 is 55253275.

It is not a de Polignac number, because 57235255 - 2¹ = 57235253 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57235255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57235253) 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, 73947 + ... + 74716.

It is an arithmetic number, because the mean of its divisors is an integer number (5351904).

Almost surely, 2^57235255 is an apocalyptic number.

57235255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57235255 is a deficient number, since it is larger than the sum of its proper divisors (28395209).

57235255 is a wasteful number, since it uses less digits than its factorization.

57235255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148686.

The product of its digits is 52500, while the sum is 34.

The square root of 57235255 is about 7565.3985354375. The cubic root of 57235255 is about 385.3788478629.

The spelling of 57235255 in words is "fifty-seven million, two hundred thirty-five thousand, two hundred fifty-five".