56278242 has 24 divisors (see below), whose sum is σ = 122157360. Its totient is φ = 18725400.

The previous prime is 56278231. The next prime is 56278253. The reversal of 56278242 is 24287265.

56278242 is a `hidden beast` number, since 5 + 627 + 8 + 24 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (56278231) and next prime (56278253).

It is a super-2 number, since 2×56278242² = 6334481045221128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56278197 and 56278206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8617 + ... + 13667.

It is an arithmetic number, because the mean of its divisors is an integer number (5089890).

Almost surely, 2^56278242 is an apocalyptic number.

56278242 is an abundant number, since it is smaller than the sum of its proper divisors (65879118).

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

56278242 is a wasteful number, since it uses less digits than its factorization.

56278242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5678 (or 5675 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 56278242 is about 7501.8825637303. The cubic root of 56278242 is about 383.2188302411.

The spelling of 56278242 in words is "fifty-six million, two hundred seventy-eight thousand, two hundred forty-two".