56023354540 has 24 divisors (see below), whose sum is σ = 117661854240. Its totient is φ = 22406901888.

The previous prime is 56023354523. The next prime is 56023354547. The reversal of 56023354540 is 4545332065.

It is a super-2 number, since 2×56023354540² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56023354540.

It is not an unprimeable number, because it can be changed into a prime (56023354547) 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, 41824 + ... + 337336.

It is an arithmetic number, because the mean of its divisors is an integer number (4902577260).

Almost surely, 2^56023354540 is an apocalyptic number.

It is an amenable number.

56023354540 is an abundant number, since it is smaller than the sum of its proper divisors (61638499700).

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

56023354540 is a wasteful number, since it uses less digits than its factorization.

56023354540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305001 (or 304999 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 56023354540 in words is "fifty-six billion, twenty-three million, three hundred fifty-four thousand, five hundred forty".