56340287421 has 8 divisors (see below), whose sum is σ = 81949509024. Its totient is φ = 34145628720.

The previous prime is 56340287413. The next prime is 56340287429. The reversal of 56340287421 is 12478204365.

It is an interprime number because it is at equal distance from previous prime (56340287413) and next prime (56340287429).

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

It is not a de Polignac number, because 56340287421 - 2³ = 56340287413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56340287429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 853640686 + ... + 853640751.

It is an arithmetic number, because the mean of its divisors is an integer number (10243688628).

Almost surely, 2^56340287421 is an apocalyptic number.

It is an amenable number.

56340287421 is a deficient number, since it is larger than the sum of its proper divisors (25609221603).

56340287421 is a wasteful number, since it uses less digits than its factorization.

56340287421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707281451.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 56340287421 in words is "fifty-six billion, three hundred forty million, two hundred eighty-seven thousand, four hundred twenty-one".