56134521 has 24 divisors (see below), whose sum is σ = 84254976. Its totient is φ = 35975520.

The previous prime is 56134511. The next prime is 56134523. The reversal of 56134521 is 12543165.

56134521 is a `hidden beast` number, since 5 + 6 + 134 + 521 = 666.

It is not a de Polignac number, because 56134521 - 2⁹ = 56134009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56134523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47686 + ... + 48848.

It is an arithmetic number, because the mean of its divisors is an integer number (3510624).

Almost surely, 2^56134521 is an apocalyptic number.

It is an amenable number.

56134521 is a deficient number, since it is larger than the sum of its proper divisors (28120455).

56134521 is a wasteful number, since it uses less digits than its factorization.

56134521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373 (or 1370 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 56134521 is about 7492.2974447095. The cubic root of 56134521 is about 382.8923361275.

Adding to 56134521 its reverse (12543165), we get a palindrome (68677686).

The spelling of 56134521 in words is "fifty-six million, one hundred thirty-four thousand, five hundred twenty-one".