55489685925 has 12 divisors (see below), whose sum is σ = 91742947520. Its totient is φ = 29594499120.

The previous prime is 55489685903. The next prime is 55489685969. The reversal of 55489685925 is 52958698455.

It is a happy number.

It is not a de Polignac number, because 55489685925 - 2⁶ = 55489685861 is a prime.

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, 369931165 + ... + 369931314.

Almost surely, 2^55489685925 is an apocalyptic number.

It is an amenable number.

55489685925 is a deficient number, since it is larger than the sum of its proper divisors (36253261595).

55489685925 is a wasteful number, since it uses less digits than its factorization.

55489685925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739862492 (or 739862487 counting only the distinct ones).

The product of its digits is 155520000, while the sum is 66.

The spelling of 55489685925 in words is "fifty-five billion, four hundred eighty-nine million, six hundred eighty-five thousand, nine hundred twenty-five".