56278012 has 24 divisors (see below), whose sum is σ = 112939904. Its totient is φ = 24036912.

The previous prime is 56278003. The next prime is 56278021. The reversal of 56278012 is 21087265.

It is an interprime number because it is at equal distance from previous prime (56278003) and next prime (56278021).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5323 + ... + 11869.

Almost surely, 2^56278012 is an apocalyptic number.

It is an amenable number.

56278012 is an abundant number, since it is smaller than the sum of its proper divisors (56661892).

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

56278012 is a wasteful number, since it uses less digits than its factorization.

56278012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6865 (or 6863 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 56278012 is about 7501.8672342291. The cubic root of 56278012 is about 383.2183081895.

The spelling of 56278012 in words is "fifty-six million, two hundred seventy-eight thousand, twelve".