56156025 has 24 divisors (see below), whose sum is σ = 93061504. Its totient is φ = 29880000.

The previous prime is 56156017. The next prime is 56156027. The reversal of 56156025 is 52065165.

It is not a de Polignac number, because 56156025 - 2³ = 56156017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56155983 and 56156001.

It is not an unprimeable number, because it can be changed into a prime (56156027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55827 + ... + 56823.

Almost surely, 2^56156025 is an apocalyptic number.

It is an amenable number.

56156025 is a deficient number, since it is larger than the sum of its proper divisors (36905479).

56156025 is a wasteful number, since it uses less digits than its factorization.

56156025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 56156025 is about 7493.7323811302. The cubic root of 56156025 is about 382.9412226562.

The spelling of 56156025 in words is "fifty-six million, one hundred fifty-six thousand, twenty-five".