55193875 has 32 divisors (see below), whose sum is σ = 75950784. Its totient is φ = 39712000.

The previous prime is 55193867. The next prime is 55193881. The reversal of 55193875 is 57839155.

It is not a de Polignac number, because 55193875 - 2³ = 55193867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188229 + ... + 188521.

It is an arithmetic number, because the mean of its divisors is an integer number (2373462).

Almost surely, 2^55193875 is an apocalyptic number.

55193875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55193875 is a deficient number, since it is larger than the sum of its proper divisors (20756909).

55193875 is a wasteful number, since it uses less digits than its factorization.

55193875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456 (or 446 counting only the distinct ones).

The product of its digits is 189000, while the sum is 43.

The square root of 55193875 is about 7429.2580383239. The cubic root of 55193875 is about 380.7415689710.

The spelling of 55193875 in words is "fifty-five million, one hundred ninety-three thousand, eight hundred seventy-five".