55707625 has 16 divisors (see below), whose sum is σ = 70052112. Its totient is φ = 44227200.

The previous prime is 55707581. The next prime is 55707649. The reversal of 55707625 is 52670755.

55707625 = 342² + 343² + ... + 591².

55707625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2286144 + 53421481 = 1512^2 + 7309^2 .

It is not a de Polignac number, because 55707625 - 2⁷ = 55707497 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15499 + ... + 18751.

It is an arithmetic number, because the mean of its divisors is an integer number (4378257).

Almost surely, 2^55707625 is an apocalyptic number.

It is an amenable number.

55707625 is a deficient number, since it is larger than the sum of its proper divisors (14344487).

55707625 is a wasteful number, since it uses less digits than its factorization.

55707625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 55707625 is about 7463.7540822297. The cubic root of 55707625 is about 381.9192491247.

The spelling of 55707625 in words is "fifty-five million, seven hundred seven thousand, six hundred twenty-five".