56366531 has 4 divisors (see below), whose sum is σ = 60702432. Its totient is φ = 52030632.

The previous prime is 56366473. The next prime is 56366539. The reversal of 56366531 is 13566365.

56366531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13566365 = 5 ⋅2713273.

It is a cyclic number.

It is not a de Polignac number, because 56366531 - 2⁶ = 56366467 is a prime.

It is a super-2 number, since 2×56366531² = 6354371633947922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56366491 and 56366500.

It is not an unprimeable number, because it can be changed into a prime (56366539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2167931 + ... + 2167956.

It is an arithmetic number, because the mean of its divisors is an integer number (15175608).

Almost surely, 2^56366531 is an apocalyptic number.

56366531 is a deficient number, since it is larger than the sum of its proper divisors (4335901).

56366531 is a wasteful number, since it uses less digits than its factorization.

56366531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4335900.

The product of its digits is 48600, while the sum is 35.

The square root of 56366531 is about 7507.7647139478. The cubic root of 56366531 is about 383.4191227440.

It can be divided in two parts, 5636 and 6531, that added together give a cube (12167 = 23³).

The spelling of 56366531 in words is "fifty-six million, three hundred sixty-six thousand, five hundred thirty-one".