56996238 has 32 divisors (see below), whose sum is σ = 129225600. Its totient is φ = 16613856.

The previous prime is 56996221. The next prime is 56996239. The reversal of 56996238 is 83269965.

It is a super-2 number, since 2×56996238² = 6497142292305288, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56996239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17748 + ... + 20711.

It is an arithmetic number, because the mean of its divisors is an integer number (4038300).

Almost surely, 2^56996238 is an apocalyptic number.

56996238 is an abundant number, since it is smaller than the sum of its proper divisors (72229362).

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

56996238 is a wasteful number, since it uses less digits than its factorization.

56996238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38496.

The product of its digits is 699840, while the sum is 48.

The square root of 56996238 is about 7549.5852866234. The cubic root of 56996238 is about 384.8416462389.

The spelling of 56996238 in words is "fifty-six million, nine hundred ninety-six thousand, two hundred thirty-eight".