54764239 has 2 divisors, whose sum is σ = 54764240. Its totient is φ = 54764238.

The previous prime is 54764231. The next prime is 54764249. The reversal of 54764239 is 93246745.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54764239 - 2³ = 54764231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54764231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27382119 + 27382120.

It is an arithmetic number, because the mean of its divisors is an integer number (27382120).

Almost surely, 2^54764239 is an apocalyptic number.

54764239 is a deficient number, since it is larger than the sum of its proper divisors (1).

54764239 is an equidigital number, since it uses as much as digits as its factorization.

54764239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 54764239 is about 7400.2864133762. The cubic root of 54764239 is about 379.7510812105.

The spelling of 54764239 in words is "fifty-four million, seven hundred sixty-four thousand, two hundred thirty-nine".