55375524 has 36 divisors (see below), whose sum is σ = 141756160. Its totient is φ = 18223920.

The previous prime is 55375499. The next prime is 55375549. The reversal of 55375524 is 42557355.

It is an interprime number because it is at equal distance from previous prime (55375499) and next prime (55375549).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6892 + ... + 12579.

Almost surely, 2^55375524 is an apocalyptic number.

It is an amenable number.

55375524 is an abundant number, since it is smaller than the sum of its proper divisors (86380636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55375524 is a wasteful number, since it uses less digits than its factorization.

55375524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19560 (or 19555 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 55375524 is about 7441.4732412339. The cubic root of 55375524 is about 381.1587987887.

The spelling of 55375524 in words is "fifty-five million, three hundred seventy-five thousand, five hundred twenty-four".