56018087487790 has 16 divisors (see below), whose sum is σ = 101509286054400. Its totient is φ = 22256850867040.

The previous prime is 56018087487727. The next prime is 56018087487797. The reversal of 56018087487790 is 9778478081065.

It is a super-2 number, since 2×56018087487790² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56018087487797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18798014446 + ... + 18798017425.

It is an arithmetic number, because the mean of its divisors is an integer number (6344330378400).

Almost surely, 2^{56018087487790} is an apocalyptic number.

56018087487790 is a deficient number, since it is larger than the sum of its proper divisors (45491198566610).

56018087487790 is a wasteful number, since it uses less digits than its factorization.

56018087487790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37596032027.

The product of its (nonzero) digits is 189665280, while the sum is 70.

The spelling of 56018087487790 in words is "fifty-six trillion, eighteen billion, eighty-seven million, four hundred eighty-seven thousand, seven hundred ninety".