56733667 has 2 divisors, whose sum is σ = 56733668. Its totient is φ = 56733666.

The previous prime is 56733659. The next prime is 56733671. The reversal of 56733667 is 76633765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56733667 - 2³ = 56733659 is a prime.

It is not a weakly prime, because it can be changed into another prime (56733637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28366833 + 28366834.

It is an arithmetic number, because the mean of its divisors is an integer number (28366834).

Almost surely, 2^56733667 is an apocalyptic number.

56733667 is a deficient number, since it is larger than the sum of its proper divisors (1).

56733667 is an equidigital number, since it uses as much as digits as its factorization.

56733667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 476280, while the sum is 43.

The square root of 56733667 is about 7532.1754493639. The cubic root of 56733667 is about 384.2497719449.

The spelling of 56733667 in words is "fifty-six million, seven hundred thirty-three thousand, six hundred sixty-seven".