55470925 has 6 divisors (see below), whose sum is σ = 68783978. Its totient is φ = 44376720.

The previous prime is 55470923. The next prime is 55470929. The reversal of 55470925 is 52907455.

It can be written as a sum of positive squares in 3 ways, for example, as 4748041 + 50722884 = 2179^2 + 7122^2 .

It is not a de Polignac number, because 55470925 - 2¹ = 55470923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55470923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1109394 + ... + 1109443.

Almost surely, 2^55470925 is an apocalyptic number.

It is an amenable number.

55470925 is a deficient number, since it is larger than the sum of its proper divisors (13313053).

55470925 is a wasteful number, since it uses less digits than its factorization.

55470925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218847 (or 2218842 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 55470925 is about 7447.8805710081. The cubic root of 55470925 is about 381.3775601106.

The spelling of 55470925 in words is "fifty-five million, four hundred seventy thousand, nine hundred twenty-five".