54909599 has 2 divisors, whose sum is σ = 54909600. Its totient is φ = 54909598.

The previous prime is 54909571. The next prime is 54909607. The reversal of 54909599 is 99590945.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54909599 - 2⁸ = 54909343 is a prime.

It is a super-3 number, since 3×54909599³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54909509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27454799 + 27454800.

It is an arithmetic number, because the mean of its divisors is an integer number (27454800).

Almost surely, 2^54909599 is an apocalyptic number.

54909599 is a deficient number, since it is larger than the sum of its proper divisors (1).

54909599 is an equidigital number, since it uses as much as digits as its factorization.

54909599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 656100, while the sum is 50.

The square root of 54909599 is about 7410.1011464082. The cubic root of 54909599 is about 380.0867738123.

The spelling of 54909599 in words is "fifty-four million, nine hundred nine thousand, five hundred ninety-nine".