55539875 has 16 divisors (see below), whose sum is σ = 70932576. Its totient is φ = 43394400.

The previous prime is 55539859. The next prime is 55539877. The reversal of 55539875 is 57893555.

It is not a de Polignac number, because 55539875 - 2⁴ = 55539859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55539877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (4433286).

Almost surely, 2^55539875 is an apocalyptic number.

55539875 is a deficient number, since it is larger than the sum of its proper divisors (15392701).

55539875 is a wasteful number, since it uses less digits than its factorization.

55539875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391 (or 10381 counting only the distinct ones).

The product of its digits is 945000, while the sum is 47.

The square root of 55539875 is about 7452.5079671209. The cubic root of 55539875 is about 381.5355112958.

The spelling of 55539875 in words is "fifty-five million, five hundred thirty-nine thousand, eight hundred seventy-five".