55545375 has 32 divisors (see below), whose sum is σ = 97875648. Its totient is φ = 27878400.

The previous prime is 55545367. The next prime is 55545377. The reversal of 55545375 is 57354555.

It is not a de Polignac number, because 55545375 - 2³ = 55545367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55545377) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2019 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (3058614).

Almost surely, 2^55545375 is an apocalyptic number.

55545375 is a deficient number, since it is larger than the sum of its proper divisors (42330273).

55545375 is a wasteful number, since it uses less digits than its factorization.

55545375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8748 (or 8738 counting only the distinct ones).

The product of its digits is 262500, while the sum is 39.

The square root of 55545375 is about 7452.8769612815. The cubic root of 55545375 is about 381.5481051067.

The spelling of 55545375 in words is "fifty-five million, five hundred forty-five thousand, three hundred seventy-five".