56278632 has 16 divisors (see below), whose sum is σ = 140696640. Its totient is φ = 18759536.

The previous prime is 56278597. The next prime is 56278639. The reversal of 56278632 is 23687265.

It is not an unprimeable number, because it can be changed into a prime (56278639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1172448 + ... + 1172495.

It is an arithmetic number, because the mean of its divisors is an integer number (8793540).

Almost surely, 2^56278632 is an apocalyptic number.

It is an amenable number.

56278632 is an abundant number, since it is smaller than the sum of its proper divisors (84418008).

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

56278632 is a wasteful number, since it uses less digits than its factorization.

56278632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344952 (or 2344948 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 56278632 is about 7501.9085571606. The cubic root of 56278632 is about 383.2197154560.

The spelling of 56278632 in words is "fifty-six million, two hundred seventy-eight thousand, six hundred thirty-two".