54040291 has 2 divisors, whose sum is σ = 54040292. Its totient is φ = 54040290.

The previous prime is 54040267. The next prime is 54040303. The reversal of 54040291 is 19204045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54040291 - 2⁷ = 54040163 is a prime.

It is not a weakly prime, because it can be changed into another prime (54040201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27020145 + 27020146.

It is an arithmetic number, because the mean of its divisors is an integer number (27020146).

Almost surely, 2^54040291 is an apocalyptic number.

54040291 is a deficient number, since it is larger than the sum of its proper divisors (1).

54040291 is an equidigital number, since it uses as much as digits as its factorization.

54040291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 54040291 is about 7351.2101724818. The cubic root of 54040291 is about 378.0702980404.

The spelling of 54040291 in words is "fifty-four million, forty thousand, two hundred ninety-one".