56406225 has 12 divisors (see below), whose sum is σ = 93258416. Its totient is φ = 30083280.

The previous prime is 56406209. The next prime is 56406253. The reversal of 56406225 is 52260465.

56406225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56406225 - 2⁴ = 56406209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56406192 and 56406201.

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 11 ways as a sum of consecutive naturals, for example, 375967 + ... + 376116.

Almost surely, 2^56406225 is an apocalyptic number.

It is an amenable number.

56406225 is a deficient number, since it is larger than the sum of its proper divisors (36852191).

56406225 is a wasteful number, since it uses less digits than its factorization.

56406225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752096 (or 752091 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 56406225 is about 7510.4077785431. The cubic root of 56406225 is about 383.5091044359.

Subtracting from 56406225 its reverse (52260465), we obtain a triangular number (4145760 = T₂₈₇₉).

The spelling of 56406225 in words is "fifty-six million, four hundred six thousand, two hundred twenty-five".