55051368725 has 12 divisors (see below), whose sum is σ = 68305448484. Its totient is φ = 44014158720.

The previous prime is 55051368707. The next prime is 55051368739. The reversal of 55051368725 is 52786315055.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 23032918756 + 32018449969 = 151766^2 + 178937^2 .

It is not a de Polignac number, because 55051368725 - 2²⁴ = 55034591509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55051368725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 631664 + ... + 713513.

It is an arithmetic number, because the mean of its divisors is an integer number (5692120707).

Almost surely, 2^55051368725 is an apocalyptic number.

It is an amenable number.

55051368725 is a deficient number, since it is larger than the sum of its proper divisors (13254079759).

55051368725 is a wasteful number, since it uses less digits than its factorization.

55051368725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346824 (or 1346819 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 47.

The spelling of 55051368725 in words is "fifty-five billion, fifty-one million, three hundred sixty-eight thousand, seven hundred twenty-five".