56194461791 has 8 divisors (see below), whose sum is σ = 60532006080. Its totient is φ = 51859045152.

The previous prime is 56194461781. The next prime is 56194461821. The reversal of 56194461791 is 19716449165.

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

It is a cyclic number.

It is not a de Polignac number, because 56194461791 - 2⁶ = 56194461727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56194461781) 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, 476840 + ... + 582893.

It is an arithmetic number, because the mean of its divisors is an integer number (7566500760).

Almost surely, 2^56194461791 is an apocalyptic number.

56194461791 is a deficient number, since it is larger than the sum of its proper divisors (4337544289).

56194461791 is a wasteful number, since it uses less digits than its factorization.

56194461791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063825.

The product of its digits is 1632960, while the sum is 53.

The spelling of 56194461791 in words is "fifty-six billion, one hundred ninety-four million, four hundred sixty-one thousand, seven hundred ninety-one".