56534517 has 40 divisors (see below), whose sum is σ = 92756664. Its totient is φ = 34100352.

The previous prime is 56534509. The next prime is 56534521. The reversal of 56534517 is 71543565.

It can be written as a sum of positive squares in 4 ways, for example, as 194481 + 56340036 = 441^2 + 7506^2 .

It is not a de Polignac number, because 56534517 - 2³ = 56534509 is a prime.

It is a super-2 number, since 2×56534517² = 6392303224846578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56534587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55303 + ... + 56315.

Almost surely, 2^56534517 is an apocalyptic number.

It is an amenable number.

56534517 is a deficient number, since it is larger than the sum of its proper divisors (36222147).

56534517 is a wasteful number, since it uses less digits than its factorization.

56534517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091 (or 1082 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 56534517 is about 7518.9438753059. The cubic root of 56534517 is about 383.7996391276.

The spelling of 56534517 in words is "fifty-six million, five hundred thirty-four thousand, five hundred seventeen".