55498099 has 2 divisors, whose sum is σ = 55498100. Its totient is φ = 55498098.

The previous prime is 55498097. The next prime is 55498109. The reversal of 55498099 is 99089455.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55498099 - 2¹ = 55498097 is a prime.

It is a super-2 number, since 2×55498099² = 6160077985227602, which contains 22 as substring.

Together with 55498097, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55498097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27749049 + 27749050.

It is an arithmetic number, because the mean of its divisors is an integer number (27749050).

Almost surely, 2^55498099 is an apocalyptic number.

55498099 is a deficient number, since it is larger than the sum of its proper divisors (1).

55498099 is an equidigital number, since it uses as much as digits as its factorization.

55498099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 49.

The square root of 55498099 is about 7449.7046250170. The cubic root of 55498099 is about 381.4398261355.

The spelling of 55498099 in words is "fifty-five million, four hundred ninety-eight thousand, ninety-nine".