56574021259987 has 8 divisors (see below), whose sum is σ = 70533844687872. Its totient is φ = 44083652929800.

The previous prime is 56574021259981. The next prime is 56574021260011. The reversal of 56574021259987 is 78995212047565.

56574021259987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56574021259987 - 2³ = 56574021259979 is a prime.

It is a super-2 number, since 2×56574021259987² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56574021259981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367363774339 + ... + 367363774492.

It is an arithmetic number, because the mean of its divisors is an integer number (8816730585984).

Almost surely, 2^{56574021259987} is an apocalyptic number.

56574021259987 is a deficient number, since it is larger than the sum of its proper divisors (13959823427885).

56574021259987 is a wasteful number, since it uses less digits than its factorization.

56574021259987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734727548849.

The product of its (nonzero) digits is 381024000, while the sum is 70.

The spelling of 56574021259987 in words is "fifty-six trillion, five hundred seventy-four billion, twenty-one million, two hundred fifty-nine thousand, nine hundred eighty-seven".