56654521 has 32 divisors (see below), whose sum is σ = 73598976. Its totient is φ = 42336000.

The previous prime is 56654503. The next prime is 56654527. The reversal of 56654521 is 12545665.

It is not a de Polignac number, because 56654521 - 2⁷ = 56654393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56654527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 234961 + ... + 235201.

It is an arithmetic number, because the mean of its divisors is an integer number (2299968).

Almost surely, 2^56654521 is an apocalyptic number.

It is an amenable number.

56654521 is a deficient number, since it is larger than the sum of its proper divisors (16944455).

56654521 is a wasteful number, since it uses less digits than its factorization.

56654521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 36000, while the sum is 34.

The square root of 56654521 is about 7526.9197551190. The cubic root of 56654521 is about 384.0710069247.

It can be divided in two parts, 56654 and 521, that added together give a palindrome (57175).

The spelling of 56654521 in words is "fifty-six million, six hundred fifty-four thousand, five hundred twenty-one".