56239704 has 128 divisors (see below), whose sum is σ = 166348800. Its totient is φ = 17573760.

The previous prime is 56239699. The next prime is 56239709. The reversal of 56239704 is 40793265.

56239704 is a `hidden beast` number, since 562 + 3 + 97 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (56239699) and next prime (56239709).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56239709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 247639 + ... + 247865.

It is an arithmetic number, because the mean of its divisors is an integer number (1299600).

Almost surely, 2^56239704 is an apocalyptic number.

56239704 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 56239704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83174400).

56239704 is an abundant number, since it is smaller than the sum of its proper divisors (110109096).

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

56239704 is a wasteful number, since it uses less digits than its factorization.

56239704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 56239704 is about 7499.3135685875. The cubic root of 56239704 is about 383.1313372239.

The spelling of 56239704 in words is "fifty-six million, two hundred thirty-nine thousand, seven hundred four".