55931875 has 10 divisors (see below), whose sum is σ = 69893252. Its totient is φ = 44745000.

The previous prime is 55931861. The next prime is 55931879. The reversal of 55931875 is 57813955.

It is not a de Polignac number, because 55931875 - 2¹¹ = 55929827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55931879) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44121 + ... + 45370.

Almost surely, 2^55931875 is an apocalyptic number.

55931875 is a deficient number, since it is larger than the sum of its proper divisors (13961377).

55931875 is an frugal number, since it uses more digits than its factorization.

55931875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89511 (or 89496 counting only the distinct ones).

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

The square root of 55931875 is about 7478.7615953445. The cubic root of 55931875 is about 382.4310326051.

The spelling of 55931875 in words is "fifty-five million, nine hundred thirty-one thousand, eight hundred seventy-five".