56381526 has 48 divisors (see below), whose sum is σ = 125113248. Its totient is φ = 18345600.

The previous prime is 56381509. The next prime is 56381527. The reversal of 56381526 is 62518365.

56381526 is a `hidden beast` number, since 5 + 638 + 15 + 2 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56381527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200506 + ... + 200786.

It is an arithmetic number, because the mean of its divisors is an integer number (2606526).

Almost surely, 2^56381526 is an apocalyptic number.

56381526 is an abundant number, since it is smaller than the sum of its proper divisors (68731722).

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

56381526 is a wasteful number, since it uses less digits than its factorization.

56381526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 514 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56381526 is about 7508.7632803279. The cubic root of 56381526 is about 383.4531196324.

The spelling of 56381526 in words is "fifty-six million, three hundred eighty-one thousand, five hundred twenty-six".