56863768 has 48 divisors (see below), whose sum is σ = 116673480. Its totient is φ = 25968384.

The previous prime is 56863757. The next prime is 56863769. The reversal of 56863768 is 86736865.

It is a happy number.

It is a super-2 number, since 2×56863768² = 6466976222315648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56863769) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185071 + ... + 185377.

Almost surely, 2^56863768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56863768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58336740).

56863768 is an abundant number, since it is smaller than the sum of its proper divisors (59809712).

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

56863768 is a wasteful number, since it uses less digits than its factorization.

56863768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 459 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 56863768 is about 7540.8068533811. The cubic root of 56863768 is about 384.5432667819.

The spelling of 56863768 in words is "fifty-six million, eight hundred sixty-three thousand, seven hundred sixty-eight".