56497923 has 12 divisors (see below), whose sum is σ = 81921840. Its totient is φ = 37520496.

The previous prime is 56497907. The next prime is 56497933. The reversal of 56497923 is 32979465.

It is a happy number.

56497923 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 56497923 - 2⁴ = 56497907 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (56497933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9568 + ... + 14301.

It is an arithmetic number, because the mean of its divisors is an integer number (6826820).

Almost surely, 2^56497923 is an apocalyptic number.

56497923 is a deficient number, since it is larger than the sum of its proper divisors (25423917).

56497923 is a wasteful number, since it uses less digits than its factorization.

56497923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24138 (or 24135 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 56497923 is about 7516.5100279318. The cubic root of 56497923 is about 383.7168118794.

The spelling of 56497923 in words is "fifty-six million, four hundred ninety-seven thousand, nine hundred twenty-three".