55951625 has 16 divisors (see below), whose sum is σ = 70241808. Its totient is φ = 44496000.

The previous prime is 55951589. The next prime is 55951627. The reversal of 55951625 is 52615955.

It can be written as a sum of positive squares in 8 ways, for example, as 29767936 + 26183689 = 5456^2 + 5117^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55951625 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55951627) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21389 + ... + 23861.

It is an arithmetic number, because the mean of its divisors is an integer number (4390113).

Almost surely, 2^55951625 is an apocalyptic number.

It is an amenable number.

55951625 is a deficient number, since it is larger than the sum of its proper divisors (14290183).

55951625 is a wasteful number, since it uses less digits than its factorization.

55951625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669 (or 2659 counting only the distinct ones).

The product of its digits is 67500, while the sum is 38.

The square root of 55951625 is about 7480.0818845785. The cubic root of 55951625 is about 382.4760404774.

The spelling of 55951625 in words is "fifty-five million, nine hundred fifty-one thousand, six hundred twenty-five".