56488278 has 48 divisors (see below), whose sum is σ = 143377344. Its totient is φ = 14671440.

The previous prime is 56488213. The next prime is 56488279. The reversal of 56488278 is 87288465.

It is a super-4 number, since 4×56488278⁴ (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56488279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5500 + ... + 11967.

It is an arithmetic number, because the mean of its divisors is an integer number (2987028).

Almost surely, 2^56488278 is an apocalyptic number.

56488278 is an abundant number, since it is smaller than the sum of its proper divisors (86889066).

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

56488278 is a wasteful number, since it uses less digits than its factorization.

56488278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17497 (or 17490 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 56488278 is about 7515.8684128981. The cubic root of 56488278 is about 383.6949753288.

The spelling of 56488278 in words is "fifty-six million, four hundred eighty-eight thousand, two hundred seventy-eight".