57562561 has 8 divisors (see below), whose sum is σ = 69655680. Its totient is φ = 46436928.

The previous prime is 57562543. The next prime is 57562577. The reversal of 57562561 is 16526575.

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

It is not a de Polignac number, because 57562561 - 2¹⁵ = 57529793 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 57562561.

It is not an unprimeable number, because it can be changed into a prime (57562501) 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, 241741 + ... + 241978.

It is an arithmetic number, because the mean of its divisors is an integer number (8706960).

Almost surely, 2^57562561 is an apocalyptic number.

It is an amenable number.

57562561 is a deficient number, since it is larger than the sum of its proper divisors (12093119).

57562561 is a wasteful number, since it uses less digits than its factorization.

57562561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483743.

The product of its digits is 63000, while the sum is 37.

The square root of 57562561 is about 7586.9994727824. Note that the first 3 decimals coincide. The cubic root of 57562561 is about 386.1120621952.

It can be divided in two parts, 575 and 62561, that added together give a palindrome (63136).

The spelling of 57562561 in words is "fifty-seven million, five hundred sixty-two thousand, five hundred sixty-one".