55653633 has 12 divisors (see below), whose sum is σ = 91872768. Its totient is φ = 31802040.

The previous prime is 55653623. The next prime is 55653707. The reversal of 55653633 is 33635655.

It is not a de Polignac number, because 55653633 - 2⁵ = 55653601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55653613) 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, 441633 + ... + 441758.

It is an arithmetic number, because the mean of its divisors is an integer number (7656064).

Almost surely, 2^55653633 is an apocalyptic number.

It is an amenable number.

55653633 is a deficient number, since it is larger than the sum of its proper divisors (36219135).

55653633 is a wasteful number, since it uses less digits than its factorization.

55653633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883404 (or 883401 counting only the distinct ones).

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

The square root of 55653633 is about 7460.1362588092. The cubic root of 55653633 is about 381.7958234743.

The spelling of 55653633 in words is "fifty-five million, six hundred fifty-three thousand, six hundred thirty-three".