56015887240 has 32 divisors (see below), whose sum is σ = 126732092760. Its totient is φ = 22282560000.

The previous prime is 56015887219. The next prime is 56015887243. The reversal of 56015887240 is 4278851065.

It can be written as a sum of positive squares in 4 ways, for example, as 26727672196 + 29288215044 = 163486^2 + 171138^2 .

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56015887243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3861261 + ... + 3875740.

Almost surely, 2^56015887240 is an apocalyptic number.

It is an amenable number.

56015887240 is an abundant number, since it is smaller than the sum of its proper divisors (70716205520).

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

56015887240 is a wasteful number, since it uses less digits than its factorization.

56015887240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737193 (or 7737189 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 46.

The spelling of 56015887240 in words is "fifty-six billion, fifteen million, eight hundred eighty-seven thousand, two hundred forty".