56367840 has 96 divisors (see below), whose sum is σ = 181754496. Its totient is φ = 14676480.

The previous prime is 56367811. The next prime is 56367877. The reversal of 56367840 is 4876365.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 19275 + ... + 22005.

It is an arithmetic number, because the mean of its divisors is an integer number (1893276).

Almost surely, 2^56367840 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 56367840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90877248).

56367840 is an abundant number, since it is smaller than the sum of its proper divisors (125386656).

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

56367840 is a wasteful number, since it uses less digits than its factorization.

56367840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2792 (or 2784 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56367840 is about 7507.8518898550. The cubic root of 56367840 is about 383.4220907686.

The spelling of 56367840 in words is "fifty-six million, three hundred sixty-seven thousand, eight hundred forty".