55495875 has 32 divisors (see below), whose sum is σ = 93510144. Its totient is φ = 29224800.

The previous prime is 55495873. The next prime is 55495877. The reversal of 55495875 is 57859455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55495873) and next prime (55495877).

It is not a de Polignac number, because 55495875 - 2¹ = 55495873 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55495873) 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, 30234 + ... + 32016.

It is an arithmetic number, because the mean of its divisors is an integer number (2922192).

Almost surely, 2^55495875 is an apocalyptic number.

55495875 is a deficient number, since it is larger than the sum of its proper divisors (38014269).

55495875 is a wasteful number, since it uses less digits than its factorization.

55495875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884 (or 1874 counting only the distinct ones).

The product of its digits is 1260000, while the sum is 48.

The square root of 55495875 is about 7449.5553558585. Note that the first 3 decimals coincide. The cubic root of 55495875 is about 381.4347308648.

The spelling of 55495875 in words is "fifty-five million, four hundred ninety-five thousand, eight hundred seventy-five".