56674939 has 2 divisors, whose sum is σ = 56674940. Its totient is φ = 56674938.

The previous prime is 56674927. The next prime is 56674949. The reversal of 56674939 is 93947665.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56674939 - 2⁵ = 56674907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56674892 and 56674901.

It is not a weakly prime, because it can be changed into another prime (56674949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28337469 + 28337470.

It is an arithmetic number, because the mean of its divisors is an integer number (28337470).

Almost surely, 2^56674939 is an apocalyptic number.

56674939 is a deficient number, since it is larger than the sum of its proper divisors (1).

56674939 is an equidigital number, since it uses as much as digits as its factorization.

56674939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 49.

The square root of 56674939 is about 7528.2759646549. The cubic root of 56674939 is about 384.1171404595.

The spelling of 56674939 in words is "fifty-six million, six hundred seventy-four thousand, nine hundred thirty-nine".