57157485 has 128 divisors (see below), whose sum is σ = 125411328. Its totient is φ = 21504000.

The previous prime is 57157421. The next prime is 57157501. The reversal of 57157485 is 58475175.

It is not a de Polignac number, because 57157485 - 2⁶ = 57157421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 805000 + ... + 805070.

It is an arithmetic number, because the mean of its divisors is an integer number (979776).

Almost surely, 2^57157485 is an apocalyptic number.

57157485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57157485 is an abundant number, since it is smaller than the sum of its proper divisors (68253843).

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

57157485 is a wasteful number, since it uses less digits than its factorization.

57157485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155.

The product of its digits is 196000, while the sum is 42.

The square root of 57157485 is about 7560.2569400782. The cubic root of 57157485 is about 385.2042206577.

The spelling of 57157485 in words is "fifty-seven million, one hundred fifty-seven thousand, four hundred eighty-five".