56406512 has 20 divisors (see below), whose sum is σ = 109784640. Its totient is φ = 28075008.

The previous prime is 56406499. The next prime is 56406547. The reversal of 56406512 is 21560465.

It is a super-2 number, since 2×56406512² = 6363389192012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4337 + ... + 11472.

It is an arithmetic number, because the mean of its divisors is an integer number (5489232).

Almost surely, 2^56406512 is an apocalyptic number.

It is an amenable number.

56406512 is a deficient number, since it is larger than the sum of its proper divisors (53378128).

56406512 is a wasteful number, since it uses less digits than its factorization.

56406512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16040 (or 16034 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 56406512 is about 7510.4268853375. The cubic root of 56406512 is about 383.5097548779.

Adding to 56406512 its reverse (21560465), we get a palindrome (77966977).

The spelling of 56406512 in words is "fifty-six million, four hundred six thousand, five hundred twelve".