56791496091 has 8 divisors (see below), whose sum is σ = 82605812544. Its totient is φ = 34419088520.

The previous prime is 56791496087. The next prime is 56791496093. The reversal of 56791496091 is 19069419765.

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 56791496091 - 2² = 56791496087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56791496093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860477181 + ... + 860477246.

It is an arithmetic number, because the mean of its divisors is an integer number (10325726568).

Almost surely, 2^56791496091 is an apocalyptic number.

56791496091 is a deficient number, since it is larger than the sum of its proper divisors (25814316453).

56791496091 is a wasteful number, since it uses less digits than its factorization.

56791496091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720954441.

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 56791496091 in words is "fifty-six billion, seven hundred ninety-one million, four hundred ninety-six thousand, ninety-one".