56528037 has 10 divisors (see below), whose sum is σ = 84443238. Its totient is φ = 37685304.

The previous prime is 56528027. The next prime is 56528039. The reversal of 56528037 is 73082565.

It can be written as a sum of positive squares in only one way, i.e., 34117281 + 22410756 = 5841^2 + 4734^2 .

It is not a de Polignac number, because 56528037 - 2¹⁹ = 56003749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56527992 and 56528010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56528039) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 348858 + ... + 349019.

Almost surely, 2^56528037 is an apocalyptic number.

It is an amenable number.

56528037 is a deficient number, since it is larger than the sum of its proper divisors (27915201).

56528037 is an equidigital number, since it uses as much as digits as its factorization.

56528037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697889 (or 697880 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 56528037 is about 7518.5129513754. The cubic root of 56528037 is about 383.7849748315.

It can be divided in two parts, 5652 and 8037, that added together give a square (13689 = 117²).

The spelling of 56528037 in words is "fifty-six million, five hundred twenty-eight thousand, thirty-seven".