55616925 has 96 divisors (see below), whose sum is σ = 117492480. Its totient is φ = 22579200.

The previous prime is 55616917. The next prime is 55616929. The reversal of 55616925 is 52961655.

55616925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55616925 - 2³ = 55616917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55616929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197785 + ... + 198065.

It is an arithmetic number, because the mean of its divisors is an integer number (1223880).

Almost surely, 2^55616925 is an apocalyptic number.

It is an amenable number.

55616925 is an abundant number, since it is smaller than the sum of its proper divisors (61875555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55616925 is a wasteful number, since it uses less digits than its factorization.

55616925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 338 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 55616925 is about 7457.6755762101. The cubic root of 55616925 is about 381.7118634356.

The spelling of 55616925 in words is "fifty-five million, six hundred sixteen thousand, nine hundred twenty-five".