55319125 has 16 divisors (see below), whose sum is σ = 69308928. Its totient is φ = 44082000.

The previous prime is 55319123. The next prime is 55319129. The reversal of 55319125 is 52191355.

It is not a de Polignac number, because 55319125 - 2¹ = 55319123 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55319123) 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, 38164 + ... + 39586.

It is an arithmetic number, because the mean of its divisors is an integer number (4331808).

Almost surely, 2^55319125 is an apocalyptic number.

It is an amenable number.

55319125 is a deficient number, since it is larger than the sum of its proper divisors (13989803).

55319125 is a wasteful number, since it uses less digits than its factorization.

55319125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749 (or 1739 counting only the distinct ones).

The product of its digits is 6750, while the sum is 31.

The square root of 55319125 is about 7437.6827708635. The cubic root of 55319125 is about 381.0293536490.

The spelling of 55319125 in words is "fifty-five million, three hundred nineteen thousand, one hundred twenty-five".