56267784 has 80 divisors (see below), whose sum is σ = 159952320. Its totient is φ = 18476640.

The previous prime is 56267777. The next prime is 56267791. The reversal of 56267784 is 48776265.

56267784 is a `hidden beast` number, since 562 + 6 + 7 + 7 + 84 = 666.

It is an interprime number because it is at equal distance from previous prime (56267777) and next prime (56267791).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 45397 + ... + 46619.

It is an arithmetic number, because the mean of its divisors is an integer number (1999404).

Almost surely, 2^56267784 is an apocalyptic number.

56267784 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56267784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79976160).

56267784 is an abundant number, since it is smaller than the sum of its proper divisors (103684536).

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

56267784 is a wasteful number, since it uses less digits than its factorization.

56267784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312 (or 1299 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 56267784 is about 7501.1855063050. The cubic root of 56267784 is about 383.1950913404.

The spelling of 56267784 in words is "fifty-six million, two hundred sixty-seven thousand, seven hundred eighty-four".