57565434 has 16 divisors (see below), whose sum is σ = 121903488. Its totient is φ = 18059712.

The previous prime is 57565429. The next prime is 57565439. The reversal of 57565434 is 43456575.

It is an interprime number because it is at equal distance from previous prime (57565429) and next prime (57565439).

It is a junction number, because it is equal to n+sod(n) for n = 57565392 and 57565401.

It is not an unprimeable number, because it can be changed into a prime (57565439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282082 + ... + 282285.

It is an arithmetic number, because the mean of its divisors is an integer number (7618968).

Almost surely, 2^57565434 is an apocalyptic number.

57565434 is an abundant number, since it is smaller than the sum of its proper divisors (64338054).

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

57565434 is a wasteful number, since it uses less digits than its factorization.

57565434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564389.

The product of its digits is 252000, while the sum is 39.

The square root of 57565434 is about 7587.1888074569. The cubic root of 57565434 is about 386.1184858236.

The spelling of 57565434 in words is "fifty-seven million, five hundred sixty-five thousand, four hundred thirty-four".