55005489925 has 12 divisors (see below), whose sum is σ = 68352875136. Its totient is φ = 43910154800.

The previous prime is 55005489919. The next prime is 55005489937. The reversal of 55005489925 is 52998450055.

It is not a de Polignac number, because 55005489925 - 2⁷ = 55005489797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2344021 + ... + 2367370.

It is an arithmetic number, because the mean of its divisors is an integer number (5696072928).

Almost surely, 2^55005489925 is an apocalyptic number.

It is an amenable number.

55005489925 is a deficient number, since it is larger than the sum of its proper divisors (13347385211).

55005489925 is a wasteful number, since it uses less digits than its factorization.

55005489925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711868 (or 4711863 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 55005489925 in words is "fifty-five billion, five million, four hundred eighty-nine thousand, nine hundred twenty-five".