54999929 has 2 divisors, whose sum is σ = 54999930. Its totient is φ = 54999928.

The previous prime is 54999911. The next prime is 54999943. The reversal of 54999929 is 92999945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36060025 + 18939904 = 6005^2 + 4352^2 .

It is a cyclic number.

It is not a de Polignac number, because 54999929 - 2²⁴ = 38222713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54999629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27499964 + 27499965.

It is an arithmetic number, because the mean of its divisors is an integer number (27499965).

Almost surely, 2^54999929 is an apocalyptic number.

It is an amenable number.

54999929 is a deficient number, since it is larger than the sum of its proper divisors (1).

54999929 is an equidigital number, since it uses as much as digits as its factorization.

54999929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2361960, while the sum is 56.

The square root of 54999929 is about 7416.1937002751. The cubic root of 54999929 is about 380.2950824339.

The spelling of 54999929 in words is "fifty-four million, nine hundred ninety-nine thousand, nine hundred twenty-nine".