55100625 has 20 divisors (see below), whose sum is σ = 91808112. Its totient is φ = 29386000.

The previous prime is 55100611. The next prime is 55100653. The reversal of 55100625 is 52600155.

It is not a de Polignac number, because 55100625 - 2⁵ = 55100593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55100595 and 55100604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12819 + ... + 16568.

Almost surely, 2^55100625 is an apocalyptic number.

It is an amenable number.

55100625 is a deficient number, since it is larger than the sum of its proper divisors (36707487).

55100625 is an equidigital number, since it uses as much as digits as its factorization.

55100625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29410 (or 29395 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55100625 is about 7422.9795230756. The cubic root of 55100625 is about 380.5270272618.

The spelling of 55100625 in words is "fifty-five million, one hundred thousand, six hundred twenty-five".