56453421455 has 8 divisors (see below), whose sum is σ = 70689501792. Its totient is φ = 43199139808.

The previous prime is 56453421413. The next prime is 56453421457. The reversal of 56453421455 is 55412435465.

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

It is a cyclic number.

It is not a de Polignac number, because 56453421455 - 2²⁴ = 56436644239 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 (56453421457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245449544 + ... + 245449773.

It is an arithmetic number, because the mean of its divisors is an integer number (8836187724).

Almost surely, 2^56453421455 is an apocalyptic number.

56453421455 is a deficient number, since it is larger than the sum of its proper divisors (14236080337).

56453421455 is a wasteful number, since it uses less digits than its factorization.

56453421455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490899345.

The product of its digits is 1440000, while the sum is 44.

The spelling of 56453421455 in words is "fifty-six billion, four hundred fifty-three million, four hundred twenty-one thousand, four hundred fifty-five".