56563276 has 48 divisors (see below), whose sum is σ = 125298432. Its totient is φ = 21700800.

The previous prime is 56563271. The next prime is 56563277. The reversal of 56563276 is 67236565.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56563271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19266 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (2610384).

Almost surely, 2^56563276 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 56563276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62649216).

56563276 is an abundant number, since it is smaller than the sum of its proper divisors (68735156).

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

56563276 is a wasteful number, since it uses less digits than its factorization.

56563276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830 (or 2828 counting only the distinct ones).

The product of its digits is 226800, while the sum is 40.

The square root of 56563276 is about 7520.8560682944. The cubic root of 56563276 is about 383.8647074748.

Subtracting 56563276 from its reverse (67236565), we obtain a square (10673289 = 3267²).

The spelling of 56563276 in words is "fifty-six million, five hundred sixty-three thousand, two hundred seventy-six".