56402548417 has 16 divisors (see below), whose sum is σ = 56916541440. Its totient is φ = 55891824912.

The previous prime is 56402548381. The next prime is 56402548429. The reversal of 56402548417 is 71484520465.

It is a cyclic number.

It is not a de Polignac number, because 56402548417 - 2²⁷ = 56268330689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56402548487) 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 15 ways as a sum of consecutive naturals, for example, 58326868 + ... + 58327834.

It is an arithmetic number, because the mean of its divisors is an integer number (3557283840).

Almost surely, 2^56402548417 is an apocalyptic number.

It is an amenable number.

56402548417 is a deficient number, since it is larger than the sum of its proper divisors (513993023).

56402548417 is a wasteful number, since it uses less digits than its factorization.

56402548417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2172.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 56402548417 in words is "fifty-six billion, four hundred two million, five hundred forty-eight thousand, four hundred seventeen".