56819423 has 12 divisors (see below), whose sum is σ = 60631272. Its totient is φ = 53235840.

The previous prime is 56819401. The next prime is 56819431. The reversal of 56819423 is 32491865.

It is a happy number.

It is not a de Polignac number, because 56819423 - 2¹⁴ = 56803039 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 (56819473) 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 11 ways as a sum of consecutive naturals, for example, 121436 + ... + 121902.

It is an arithmetic number, because the mean of its divisors is an integer number (5052606).

Almost surely, 2^56819423 is an apocalyptic number.

56819423 is a deficient number, since it is larger than the sum of its proper divisors (3811849).

56819423 is a wasteful number, since it uses less digits than its factorization.

56819423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 905 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 56819423 is about 7537.8659446822. The cubic root of 56819423 is about 384.4432792357.

It can be divided in two parts, 568 and 19423, that added together give a palindrome (19991).

The spelling of 56819423 in words is "fifty-six million, eight hundred nineteen thousand, four hundred twenty-three".