54057979 has 2 divisors, whose sum is σ = 54057980. Its totient is φ = 54057978.

The previous prime is 54057929. The next prime is 54058013. The reversal of 54057979 is 97975045.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54057979 - 2¹⁹ = 53533691 is a prime.

It is not a weakly prime, because it can be changed into another prime (54057919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27028989 + 27028990.

It is an arithmetic number, because the mean of its divisors is an integer number (27028990).

Almost surely, 2^54057979 is an apocalyptic number.

54057979 is a deficient number, since it is larger than the sum of its proper divisors (1).

54057979 is an equidigital number, since it uses as much as digits as its factorization.

54057979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 54057979 is about 7352.4131412755. The cubic root of 54057979 is about 378.1115424393. Note that the first 3 decimals are identical.

The spelling of 54057979 in words is "fifty-four million, fifty-seven thousand, nine hundred seventy-nine".