56563767 has 24 divisors (see below), whose sum is σ = 88507328. Its totient is φ = 34603200.

The previous prime is 56563757. The next prime is 56563781. The reversal of 56563767 is 76736565.

56563767 is a `hidden beast` number, since 5 + 6 + 5 + 637 + 6 + 7 = 666.

It is not a de Polignac number, because 56563767 - 2⁴ = 56563751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56563757) 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, 19842 + ... + 22512.

Almost surely, 2^56563767 is an apocalyptic number.

56563767 is a deficient number, since it is larger than the sum of its proper divisors (31943561).

56563767 is a wasteful number, since it uses less digits than its factorization.

56563767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2871 (or 2868 counting only the distinct ones).

The product of its digits is 793800, while the sum is 45.

The square root of 56563767 is about 7520.8887107841. Note that the first 3 decimals coincide. The cubic root of 56563767 is about 383.8658181897.

The spelling of 56563767 in words is "fifty-six million, five hundred sixty-three thousand, seven hundred sixty-seven".