56644016467 has 4 divisors (see below), whose sum is σ = 56881020960. Its totient is φ = 56407011976.

The previous prime is 56644016459. The next prime is 56644016477. The reversal of 56644016467 is 76461044665.

56644016467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76461044665 = 5 ⋅15292208933.

It is a cyclic number.

It is not a de Polignac number, because 56644016467 - 2³ = 56644016459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56644016467.

It is not an unprimeable number, because it can be changed into a prime (56644016477) 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, 118501888 + ... + 118502365.

It is an arithmetic number, because the mean of its divisors is an integer number (14220255240).

Almost surely, 2^56644016467 is an apocalyptic number.

56644016467 is a deficient number, since it is larger than the sum of its proper divisors (237004493).

56644016467 is a wasteful number, since it uses less digits than its factorization.

56644016467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237004492.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 56644016467 in words is "fifty-six billion, six hundred forty-four million, sixteen thousand, four hundred sixty-seven".