56732413 has 4 divisors (see below), whose sum is σ = 56747548. Its totient is φ = 56717280.

The previous prime is 56732353. The next prime is 56732447. The reversal of 56732413 is 31423765.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31423765 = 5 ⋅6284753.

It can be written as a sum of positive squares in 2 ways, for example, as 27594009 + 29138404 = 5253^2 + 5398^2 .

It is a cyclic number.

It is not a de Polignac number, because 56732413 - 2²¹ = 54635261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56732483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2695 + ... + 10987.

It is an arithmetic number, because the mean of its divisors is an integer number (14186887).

Almost surely, 2^56732413 is an apocalyptic number.

It is an amenable number.

56732413 is a deficient number, since it is larger than the sum of its proper divisors (15135).

56732413 is an equidigital number, since it uses as much as digits as its factorization.

56732413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15134.

The product of its digits is 15120, while the sum is 31.

The square root of 56732413 is about 7532.0922060208. The cubic root of 56732413 is about 384.2469408642.

The spelling of 56732413 in words is "fifty-six million, seven hundred thirty-two thousand, four hundred thirteen".