56417420397 has 32 divisors (see below), whose sum is σ = 83682328576. Its totient is φ = 33574564800.

The previous prime is 56417420351. The next prime is 56417420467. The reversal of 56417420397 is 79302471465.

56417420397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56417420397 - 2¹¹ = 56417418349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56417420197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1762578 + ... + 1794300.

It is an arithmetic number, because the mean of its divisors is an integer number (2615072768).

Almost surely, 2^56417420397 is an apocalyptic number.

It is an amenable number.

56417420397 is a deficient number, since it is larger than the sum of its proper divisors (27264908179).

56417420397 is a wasteful number, since it uses less digits than its factorization.

56417420397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33241.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 56417420397 in words is "fifty-six billion, four hundred seventeen million, four hundred twenty thousand, three hundred ninety-seven".