56535039 has 24 divisors (see below), whose sum is σ = 90604800. Its totient is φ = 33679440.

The previous prime is 56535029. The next prime is 56535043. The reversal of 56535039 is 93053565.

It is not a de Polignac number, because 56535039 - 2¹⁹ = 56010751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56534994 and 56535012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56535029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1002 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (3775200).

Almost surely, 2^56535039 is an apocalyptic number.

56535039 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

56535039 is a deficient number, since it is larger than the sum of its proper divisors (34069761).

56535039 is a wasteful number, since it uses less digits than its factorization.

56535039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9755 (or 9752 counting only the distinct ones).

The product of its (nonzero) digits is 60750, while the sum is 36.

The square root of 56535039 is about 7518.9785875476. The cubic root of 56535039 is about 383.8008203694.

It can be divided in two parts, 56 and 535039, that added together give a triangular number (535095 = T₁₀₃₄).

The spelling of 56535039 in words is "fifty-six million, five hundred thirty-five thousand, thirty-nine".