56266443451 has 4 divisors (see below), whose sum is σ = 56275044232. Its totient is φ = 56257842672.

The previous prime is 56266443433. The next prime is 56266443473. The reversal of 56266443451 is 15434466265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56266443451 - 2¹⁷ = 56266312379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56266443251) 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, 4290570 + ... + 4303663.

It is an arithmetic number, because the mean of its divisors is an integer number (14068761058).

Almost surely, 2^56266443451 is an apocalyptic number.

56266443451 is a deficient number, since it is larger than the sum of its proper divisors (8600781).

56266443451 is an equidigital number, since it uses as much as digits as its factorization.

56266443451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8600780.

The product of its digits is 2073600, while the sum is 46.

The spelling of 56266443451 in words is "fifty-six billion, two hundred sixty-six million, four hundred forty-three thousand, four hundred fifty-one".