56001366 has 96 divisors (see below), whose sum is σ = 137142720. Its totient is φ = 16422912.

The previous prime is 56001359. The next prime is 56001373. The reversal of 56001366 is 66310065.

56001366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56001359) and next prime (56001373).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 513720 + ... + 513828.

It is an arithmetic number, because the mean of its divisors is an integer number (1428570).

Almost surely, 2^56001366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56001366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68571360).

56001366 is an abundant number, since it is smaller than the sum of its proper divisors (81141354).

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

56001366 is a wasteful number, since it uses less digits than its factorization.

56001366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56001366 is about 7483.4060427054. The cubic root of 56001366 is about 382.5893473197.

The spelling of 56001366 in words is "fifty-six million, one thousand, three hundred sixty-six".