55008799 has 2 divisors, whose sum is σ = 55008800. Its totient is φ = 55008798.

The previous prime is 55008791. The next prime is 55008823. The reversal of 55008799 is 99780055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55008799 - 2³ = 55008791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55008791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27504399 + 27504400.

It is an arithmetic number, because the mean of its divisors is an integer number (27504400).

Almost surely, 2^55008799 is an apocalyptic number.

55008799 is a deficient number, since it is larger than the sum of its proper divisors (1).

55008799 is an equidigital number, since it uses as much as digits as its factorization.

55008799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 43.

The square root of 55008799 is about 7416.7916918301. The cubic root of 55008799 is about 380.3155251031.

The spelling of 55008799 in words is "fifty-five million, eight thousand, seven hundred ninety-nine".