55710625 has 10 divisors (see below), whose sum is σ = 69616778. Its totient is φ = 44568000.

The previous prime is 55710617. The next prime is 55710631. The reversal of 55710625 is 52601755.

It can be written as a sum of positive squares in 5 ways, for example, as 9048064 + 46662561 = 3008^2 + 6831^2 .

It is not a de Polignac number, because 55710625 - 2³ = 55710617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43944 + ... + 45193.

Almost surely, 2^55710625 is an apocalyptic number.

It is an amenable number.

55710625 is a deficient number, since it is larger than the sum of its proper divisors (13906153).

55710625 is an frugal number, since it uses more digits than its factorization.

55710625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89157 (or 89142 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 55710625 is about 7463.9550507757. The cubic root of 55710625 is about 381.9261047821.

The spelling of 55710625 in words is "fifty-five million, seven hundred ten thousand, six hundred twenty-five".