55148299 has 2 divisors, whose sum is σ = 55148300. Its totient is φ = 55148298.

The previous prime is 55148293. The next prime is 55148329. The reversal of 55148299 is 99284155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55148299 - 2⁵ = 55148267 is a prime.

It is a super-3 number, since 3×55148299³ (a number of 24 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (55148293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27574149 + 27574150.

It is an arithmetic number, because the mean of its divisors is an integer number (27574150).

Almost surely, 2^55148299 is an apocalyptic number.

55148299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55148299 is an equidigital number, since it uses as much as digits as its factorization.

55148299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 43.

The square root of 55148299 is about 7426.1900729782. The cubic root of 55148299 is about 380.6367417824.

The spelling of 55148299 in words is "fifty-five million, one hundred forty-eight thousand, two hundred ninety-nine".