56854878 has 64 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 17263584.

The previous prime is 56854871. The next prime is 56854907. The reversal of 56854878 is 87845865.

It is a self number, because there is not a number n which added to its sum of digits gives 56854878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56854871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531301 + ... + 531407.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^56854878 is an apocalyptic number.

56854878 is an abundant number, since it is smaller than the sum of its proper divisors (67561122).

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

56854878 is a wasteful number, since it uses less digits than its factorization.

56854878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269.

The product of its digits is 2150400, while the sum is 51.

The square root of 56854878 is about 7540.2173708720. The cubic root of 56854878 is about 384.5232260897.

The spelling of 56854878 in words is "fifty-six million, eight hundred fifty-four thousand, eight hundred seventy-eight".