54879967 has 2 divisors, whose sum is σ = 54879968. Its totient is φ = 54879966.

The previous prime is 54879943. The next prime is 54879983. The reversal of 54879967 is 76997845.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54879967 - 2²³ = 46491359 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54876967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27439983 + 27439984.

It is an arithmetic number, because the mean of its divisors is an integer number (27439984).

Almost surely, 2^54879967 is an apocalyptic number.

54879967 is a deficient number, since it is larger than the sum of its proper divisors (1).

54879967 is an equidigital number, since it uses as much as digits as its factorization.

54879967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 55.

The square root of 54879967 is about 7408.1014436899. The cubic root of 54879967 is about 380.0183901534.

The spelling of 54879967 in words is "fifty-four million, eight hundred seventy-nine thousand, nine hundred sixty-seven".