56452274721 has 12 divisors (see below), whose sum is σ = 85087486848. Its totient is φ = 35998551864.

The previous prime is 56452274719. The next prime is 56452274729. The reversal of 56452274721 is 12747225465.

56452274721 is a `hidden beast` number, since 5 + 64 + 522 + 7 + 47 + 21 = 666.

It is not a de Polignac number, because 56452274721 - 2¹ = 56452274719 is a prime.

It is a super-4 number, since 4×56452274721⁴ (a number of 44 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (56452274729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136357945 + ... + 136358358.

It is an arithmetic number, because the mean of its divisors is an integer number (7090623904).

Almost surely, 2^56452274721 is an apocalyptic number.

It is an amenable number.

56452274721 is a deficient number, since it is larger than the sum of its proper divisors (28635212127).

56452274721 is a wasteful number, since it uses less digits than its factorization.

56452274721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272716332 (or 272716329 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The spelling of 56452274721 in words is "fifty-six billion, four hundred fifty-two million, two hundred seventy-four thousand, seven hundred twenty-one".