55575508 has 18 divisors (see below), whose sum is σ = 98025774. Its totient is φ = 27569664.

The previous prime is 55575493. The next prime is 55575511. The reversal of 55575508 is 80557555.

It can be written as a sum of positive squares in 3 ways, for example, as 1140624 + 54434884 = 1068^2 + 7378^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 148810 + ... + 149182.

Almost surely, 2^55575508 is an apocalyptic number.

It is an amenable number.

55575508 is a deficient number, since it is larger than the sum of its proper divisors (42450266).

55575508 is a wasteful number, since it uses less digits than its factorization.

55575508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The square root of 55575508 is about 7454.8982555096. The cubic root of 55575508 is about 381.6170884117.

The spelling of 55575508 in words is "fifty-five million, five hundred seventy-five thousand, five hundred eight".