56247760 has 40 divisors (see below), whose sum is σ = 132018336. Its totient is φ = 22285440.

The previous prime is 56247739. The next prime is 56247797. The reversal of 56247760 is 6774265.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5275 + ... + 11845.

Almost surely, 2^56247760 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 56247760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66009168).

56247760 is an abundant number, since it is smaller than the sum of its proper divisors (75770576).

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

56247760 is a wasteful number, since it uses less digits than its factorization.

56247760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6691 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56247760 is about 7499.8506651799. The cubic root of 56247760 is about 383.1496301052.

The spelling of 56247760 in words is "fifty-six million, two hundred forty-seven thousand, seven hundred sixty".