55113125 has 20 divisors (see below), whose sum is σ = 69587100. Its totient is φ = 43632000.

The previous prime is 55113119. The next prime is 55113181. The reversal of 55113125 is 52131155.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 25715041 + 29398084 = 5071^2 + 5422^2 .

It is not a de Polignac number, because 55113125 - 2⁴ = 55113109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55113125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67721 + ... + 68529.

It is an arithmetic number, because the mean of its divisors is an integer number (3479355).

Almost surely, 2^55113125 is an apocalyptic number.

It is an amenable number.

55113125 is a deficient number, since it is larger than the sum of its proper divisors (14473975).

55113125 is an equidigital number, since it uses as much as digits as its factorization.

55113125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938 (or 923 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 55113125 is about 7423.8214552884. The cubic root of 55113125 is about 380.5558002457. Note that the first 3 decimals are identical.

The spelling of 55113125 in words is "fifty-five million, one hundred thirteen thousand, one hundred twenty-five".