55263957 has 32 divisors (see below), whose sum is σ = 89644032. Its totient is φ = 29562624.

The previous prime is 55263947. The next prime is 55263959. The reversal of 55263957 is 75936255.

55263957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55263957 - 2²³ = 46875349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55263959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100758 + ... + 101304.

It is an arithmetic number, because the mean of its divisors is an integer number (2801376).

Almost surely, 2^55263957 is an apocalyptic number.

It is an amenable number.

55263957 is a deficient number, since it is larger than the sum of its proper divisors (34380075).

55263957 is a wasteful number, since it uses less digits than its factorization.

55263957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its digits is 283500, while the sum is 42.

The square root of 55263957 is about 7433.9731637934. The cubic root of 55263957 is about 380.9026487105.

The spelling of 55263957 in words is "fifty-five million, two hundred sixty-three thousand, nine hundred fifty-seven".