56663433 has 12 divisors (see below), whose sum is σ = 82109508. Its totient is φ = 37654560.

The previous prime is 56663393. The next prime is 56663437. The reversal of 56663433 is 33436665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1710864 + 54952569 = 1308^2 + 7413^2 .

It is not a de Polignac number, because 56663433 - 2⁸ = 56663177 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56663437) 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, 7078 + ... + 12783.

It is an arithmetic number, because the mean of its divisors is an integer number (6842459).

Almost surely, 2^56663433 is an apocalyptic number.

It is an amenable number.

56663433 is a deficient number, since it is larger than the sum of its proper divisors (25446075).

56663433 is a wasteful number, since it uses less digits than its factorization.

56663433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20184 (or 20181 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 56663433 is about 7527.5117402765. The cubic root of 56663433 is about 384.0911445430.

The spelling of 56663433 in words is "fifty-six million, six hundred sixty-three thousand, four hundred thirty-three".