55125125 has 32 divisors (see below), whose sum is σ = 76737024. Its totient is φ = 39192000.

The previous prime is 55125113. The next prime is 55125139. The reversal of 55125125 is 52152155.

It is not a de Polignac number, because 55125125 - 2¹² = 55121029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55125094 and 55125103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64199 + ... + 65051.

It is an arithmetic number, because the mean of its divisors is an integer number (2398032).

Almost surely, 2^55125125 is an apocalyptic number.

55125125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55125125 is a deficient number, since it is larger than the sum of its proper divisors (21611899).

55125125 is a wasteful number, since it uses less digits than its factorization.

55125125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 916 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 55125125 is about 7424.6296203918. The cubic root of 55125125 is about 380.5834182176.

It can be divided in two parts, 55125 and 125, that multiplied together give a square (6890625 = 2625²).

The spelling of 55125125 in words is "fifty-five million, one hundred twenty-five thousand, one hundred twenty-five".