56889378 has 160 divisors (see below), whose sum is σ = 166852224. Its totient is φ = 14059008.

The previous prime is 56889367. The next prime is 56889379. The reversal of 56889378 is 87398865.

It is a happy number.

56889378 is a `hidden beast` number, since 568 + 8 + 9 + 3 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (56889379) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 250501 + ... + 250727.

Almost surely, 2^56889378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56889378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83426112).

56889378 is an abundant number, since it is smaller than the sum of its proper divisors (109962846).

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

56889378 is a wasteful number, since it uses less digits than its factorization.

56889378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 269 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 56889378 is about 7542.5047563790. The cubic root of 56889378 is about 384.6009876314.

The spelling of 56889378 in words is "fifty-six million, eight hundred eighty-nine thousand, three hundred seventy-eight".