54626399 has 2 divisors, whose sum is σ = 54626400. Its totient is φ = 54626398.

The previous prime is 54626381. The next prime is 54626413. The reversal of 54626399 is 99362645.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54626399 - 2¹² = 54622303 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54626599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27313199 + 27313200.

It is an arithmetic number, because the mean of its divisors is an integer number (27313200).

Almost surely, 2^54626399 is an apocalyptic number.

54626399 is a deficient number, since it is larger than the sum of its proper divisors (1).

54626399 is an equidigital number, since it uses as much as digits as its factorization.

54626399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 349920, while the sum is 44.

The square root of 54626399 is about 7390.9673927031. The cubic root of 54626399 is about 379.4322060445.

The spelling of 54626399 in words is "fifty-four million, six hundred twenty-six thousand, three hundred ninety-nine".