56635533 has 12 divisors (see below), whose sum is σ = 82176640. Its totient is φ = 37586376.

The previous prime is 56635531. The next prime is 56635541. The reversal of 56635533 is 33553665.

It is not a de Polignac number, because 56635533 - 2¹ = 56635531 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 (56635531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12103 + ... + 16116.

Almost surely, 2^56635533 is an apocalyptic number.

It is an amenable number.

56635533 is a deficient number, since it is larger than the sum of its proper divisors (25541107).

56635533 is a wasteful number, since it uses less digits than its factorization.

56635533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28448 (or 28445 counting only the distinct ones).

The product of its digits is 121500, while the sum is 36.

The square root of 56635533 is about 7525.6583100749. The cubic root of 56635533 is about 384.0280944614.

The spelling of 56635533 in words is "fifty-six million, six hundred thirty-five thousand, five hundred thirty-three".