56661140083 has 4 divisors (see below), whose sum is σ = 56661616360. Its totient is φ = 56660663808.

The previous prime is 56661140069. The next prime is 56661140203. The reversal of 56661140083 is 38004116665.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56661140083 - 2²¹ = 56659042931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56661140023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108616 + ... + 353722.

It is an arithmetic number, because the mean of its divisors is an integer number (14165404090).

Almost surely, 2^56661140083 is an apocalyptic number.

56661140083 is a deficient number, since it is larger than the sum of its proper divisors (476277).

56661140083 is a wasteful number, since it uses less digits than its factorization.

56661140083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476276.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 56661140083 in words is "fifty-six billion, six hundred sixty-one million, one hundred forty thousand, eighty-three".