55998125 has 10 divisors (see below), whose sum is σ = 69976038. Its totient is φ = 44798000.

The previous prime is 55998109. The next prime is 55998193. The reversal of 55998125 is 52189955.

It can be written as a sum of positive squares in 5 ways, for example, as 5900041 + 50098084 = 2429^2 + 7078^2 .

It is not a de Polignac number, because 55998125 - 2⁴ = 55998109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44174 + ... + 45423.

Almost surely, 2^55998125 is an apocalyptic number.

It is an amenable number.

55998125 is a deficient number, since it is larger than the sum of its proper divisors (13977913).

55998125 is an frugal number, since it uses more digits than its factorization.

55998125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89617 (or 89602 counting only the distinct ones).

The product of its digits is 162000, while the sum is 44.

The square root of 55998125 is about 7483.1894937921. The cubic root of 55998125 is about 382.5819665711.

The spelling of 55998125 in words is "fifty-five million, nine hundred ninety-eight thousand, one hundred twenty-five".