56451420347 has 24 divisors (see below), whose sum is σ = 67245750000. Its totient is φ = 47226062016.

The previous prime is 56451420341. The next prime is 56451420407. The reversal of 56451420347 is 74302415465.

It is not a de Polignac number, because 56451420347 - 2²⁶ = 56384311483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56451420341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3001529 + ... + 3020277.

It is an arithmetic number, because the mean of its divisors is an integer number (2801906250).

Almost surely, 2^56451420347 is an apocalyptic number.

56451420347 is a deficient number, since it is larger than the sum of its proper divisors (10794329653).

56451420347 is a wasteful number, since it uses less digits than its factorization.

56451420347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20235 (or 20228 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 56451420347 in words is "fifty-six billion, four hundred fifty-one million, four hundred twenty thousand, three hundred forty-seven".