56446132899 has 8 divisors (see below), whose sum is σ = 81050857552. Its totient is φ = 34736081760.

The previous prime is 56446132877. The next prime is 56446132921. The reversal of 56446132899 is 99823164465.

It is an interprime number because it is at equal distance from previous prime (56446132877) and next prime (56446132921).

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

It is a de Polignac number, because none of the positive numbers 2^k-56446132899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56446132849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723668332 + ... + 723668409.

It is an arithmetic number, because the mean of its divisors is an integer number (10131357194).

Almost surely, 2^56446132899 is an apocalyptic number.

56446132899 is a deficient number, since it is larger than the sum of its proper divisors (24604724653).

56446132899 is a wasteful number, since it uses less digits than its factorization.

56446132899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447336757.

The product of its digits is 11197440, while the sum is 57.

The spelling of 56446132899 in words is "fifty-six billion, four hundred forty-six million, one hundred thirty-two thousand, eight hundred ninety-nine".