56406072 has 32 divisors (see below), whose sum is σ = 141555600. Its totient is φ = 18729984.

The previous prime is 56406071. The next prime is 56406101. The reversal of 56406072 is 27060465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56406071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2088 + ... + 10824.

Almost surely, 2^56406072 is an apocalyptic number.

It is an amenable number.

56406072 is an abundant number, since it is smaller than the sum of its proper divisors (85149528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56406072 is a wasteful number, since it uses less digits than its factorization.

56406072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9015 (or 9011 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 56406072 is about 7510.3975926711. The cubic root of 56406072 is about 383.5087576837.

The spelling of 56406072 in words is "fifty-six million, four hundred six thousand, seventy-two".