56155625 has 10 divisors (see below), whose sum is σ = 70172850. Its totient is φ = 44924000.

The previous prime is 56155591. The next prime is 56155667. The reversal of 56155625 is 52655165.

It can be written as a sum of positive squares in 5 ways, for example, as 20502784 + 35652841 = 4528^2 + 5971^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56155625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44300 + ... + 45549.

It is an arithmetic number, because the mean of its divisors is an integer number (7017285).

Almost surely, 2^56155625 is an apocalyptic number.

It is an amenable number.

56155625 is a deficient number, since it is larger than the sum of its proper divisors (14017225).

56155625 is an frugal number, since it uses more digits than its factorization.

56155625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89869 (or 89854 counting only the distinct ones).

The product of its digits is 45000, while the sum is 35.

The square root of 56155625 is about 7493.7056921125. The cubic root of 56155625 is about 382.9403134225.

The spelling of 56155625 in words is "fifty-six million, one hundred fifty-five thousand, six hundred twenty-five".