56531412 has 192 divisors, whose sum is σ = 179773440. Its totient is φ = 15023232.

The previous prime is 56531359. The next prime is 56531429. The reversal of 56531412 is 21413565.

56531412 is a `hidden beast` number, since 5 + 653 + 1 + 4 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1202773 + ... + 1202819.

It is an arithmetic number, because the mean of its divisors is an integer number (936320).

Almost surely, 2^56531412 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 56531412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89886720).

56531412 is an abundant number, since it is smaller than the sum of its proper divisors (123242028).

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

56531412 is a wasteful number, since it uses less digits than its factorization.

56531412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147 (or 139 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 56531412 is about 7518.7373940044. The cubic root of 56531412 is about 383.7926126256.

Adding to 56531412 its reverse (21413565), we get a palindrome (77944977).

The spelling of 56531412 in words is "fifty-six million, five hundred thirty-one thousand, four hundred twelve".