56284832421 has 48 divisors (see below), whose sum is σ = 87404083200. Its totient is φ = 35794585728.

The previous prime is 56284832393. The next prime is 56284832423. The reversal of 56284832421 is 12423848265.

56284832421 is a `hidden beast` number, since 56 + 284 + 83 + 242 + 1 = 666.

56284832421 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 56284832421 - 2¹³ = 56284824229 is a prime.

It is a super-4 number, since 4×56284832421⁴ (a number of 44 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56284832423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5465245 + ... + 5475533.

It is an arithmetic number, because the mean of its divisors is an integer number (1820918400).

Almost surely, 2^56284832421 is an apocalyptic number.

It is an amenable number.

56284832421 is a deficient number, since it is larger than the sum of its proper divisors (31119250779).

56284832421 is a wasteful number, since it uses less digits than its factorization.

56284832421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727 (or 10698 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The spelling of 56284832421 in words is "fifty-six billion, two hundred eighty-four million, eight hundred thirty-two thousand, four hundred twenty-one".