56200531 has 2 divisors, whose sum is σ = 56200532. Its totient is φ = 56200530.

The previous prime is 56200513. The next prime is 56200559. The reversal of 56200531 is 13500265.

It is a happy number.

Together with previous prime (56200513) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56200531 - 2⁹ = 56200019 is a prime.

It is a super-2 number, since 2×56200531² = 6316999369363922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56200631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28100265 + 28100266.

It is an arithmetic number, because the mean of its divisors is an integer number (28100266).

Almost surely, 2^56200531 is an apocalyptic number.

56200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

56200531 is an equidigital number, since it uses as much as digits as its factorization.

56200531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 56200531 is about 7496.7013412567. The cubic root of 56200531 is about 383.0423615905.

Adding to 56200531 its reverse (13500265), we get a palindrome (69700796).

The spelling of 56200531 in words is "fifty-six million, two hundred thousand, five hundred thirty-one".