55375525 has 12 divisors (see below), whose sum is σ = 69495552. Its totient is φ = 43765040.

The previous prime is 55375499. The next prime is 55375549. The reversal of 55375525 is 52557355.

It is not a de Polignac number, because 55375525 - 2⁵ = 55375493 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 11269 + ... + 15418.

It is an arithmetic number, because the mean of its divisors is an integer number (5791296).

Almost surely, 2^55375525 is an apocalyptic number.

It is an amenable number.

55375525 is a deficient number, since it is larger than the sum of its proper divisors (14120027).

55375525 is a wasteful number, since it uses less digits than its factorization.

55375525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780 (or 26775 counting only the distinct ones).

The product of its digits is 131250, while the sum is 37.

The square root of 55375525 is about 7441.4733084249. The cubic root of 55375525 is about 381.1588010831.

The spelling of 55375525 in words is "fifty-five million, three hundred seventy-five thousand, five hundred twenty-five".