54551925 has 18 divisors (see below), whose sum is σ = 97708962. Its totient is φ = 29094240.

The previous prime is 54551897. The next prime is 54551933. The reversal of 54551925 is 52915545.

It can be written as a sum of positive squares in 3 ways, for example, as 1887876 + 52664049 = 1374^2 + 7257^2 .

It is not a de Polignac number, because 54551925 - 2⁷ = 54551797 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 54551925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 121002 + ... + 121451.

Almost surely, 2^54551925 is an apocalyptic number.

It is an amenable number.

54551925 is a deficient number, since it is larger than the sum of its proper divisors (43157037).

54551925 is a wasteful number, since it uses less digits than its factorization.

54551925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242469 (or 242461 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 54551925 is about 7385.9274976133. The cubic root of 54551925 is about 379.2596967451.

The spelling of 54551925 in words is "fifty-four million, five hundred fifty-one thousand, nine hundred twenty-five".