56142424 has 32 divisors (see below), whose sum is σ = 113707440. Its totient is φ = 25833600.

The previous prime is 56142419. The next prime is 56142451. The reversal of 56142424 is 42424165.

It is a junction number, because it is equal to n+sod(n) for n = 56142392 and 56142401.

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, 47359 + ... + 48529.

Almost surely, 2^56142424 is an apocalyptic number.

It is an amenable number.

56142424 is an abundant number, since it is smaller than the sum of its proper divisors (57565016).

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

56142424 is a wasteful number, since it uses less digits than its factorization.

56142424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1647 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 56142424 is about 7492.8248344666. The cubic root of 56142424 is about 382.9103040141.

Adding to 56142424 its reverse (42424165), we get a palindrome (98566589).

The spelling of 56142424 in words is "fifty-six million, one hundred forty-two thousand, four hundred twenty-four".