56812533 has 16 divisors (see below), whose sum is σ = 77334336. Its totient is φ = 37088640.

The previous prime is 56812529. The next prime is 56812541. The reversal of 56812533 is 33521865.

It is not a de Polignac number, because 56812533 - 2² = 56812529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56812494 and 56812503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56812573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51241 + ... + 52337.

It is an arithmetic number, because the mean of its divisors is an integer number (4833396).

Almost surely, 2^56812533 is an apocalyptic number.

It is an amenable number.

56812533 is a deficient number, since it is larger than the sum of its proper divisors (20521803).

56812533 is a wasteful number, since it uses less digits than its factorization.

56812533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1444.

The product of its digits is 21600, while the sum is 33.

The square root of 56812533 is about 7537.4089049222. The cubic root of 56812533 is about 384.4277392371.

The spelling of 56812533 in words is "fifty-six million, eight hundred twelve thousand, five hundred thirty-three".