55015125 has 32 divisors (see below), whose sum is σ = 99874944. Its totient is φ = 26672000.

The previous prime is 55015123. The next prime is 55015133. The reversal of 55015125 is 52151055.

It is not a de Polignac number, because 55015125 - 2¹ = 55015123 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55015095 and 55015104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55015123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2544 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (3121092).

Almost surely, 2^55015125 is an apocalyptic number.

55015125 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55015125 is a deficient number, since it is larger than the sum of its proper divisors (44859819).

55015125 is a wasteful number, since it uses less digits than its factorization.

55015125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13366 (or 13356 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 55015125 is about 7417.2181442910. The cubic root of 55015125 is about 380.3301032786.

The spelling of 55015125 in words is "fifty-five million, fifteen thousand, one hundred twenty-five".