56401704 has 64 divisors (see below), whose sum is σ = 163497600. Its totient is φ = 17981568.

The previous prime is 56401687. The next prime is 56401721. The reversal of 56401704 is 40710465.

56401704 is a `hidden beast` number, since 5 + 640 + 17 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (56401687) and next prime (56401721).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709 + ... + 10644.

It is an arithmetic number, because the mean of its divisors is an integer number (2554650).

Almost surely, 2^56401704 is an apocalyptic number.

56401704 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 56401704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81748800).

56401704 is an abundant number, since it is smaller than the sum of its proper divisors (107095896).

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

56401704 is a wasteful number, since it uses less digits than its factorization.

56401704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 56401704 is about 7510.1067901861. The cubic root of 56401704 is about 383.4988579842.

The spelling of 56401704 in words is "fifty-six million, four hundred one thousand, seven hundred four".