55578299 has 12 divisors (see below), whose sum is σ = 66030624. Its totient is φ = 46623024.

The previous prime is 55578293. The next prime is 55578301. The reversal of 55578299 is 99287555.

55578299 = T₄₆₂ + T₄₆₃ + ... + T₇₅₅.

55578299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55578299 - 2¹² = 55574203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55578293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9764 + ... + 14369.

It is an arithmetic number, because the mean of its divisors is an integer number (5502552).

Almost surely, 2^55578299 is an apocalyptic number.

55578299 is a deficient number, since it is larger than the sum of its proper divisors (10452325).

55578299 is a wasteful number, since it uses less digits than its factorization.

55578299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24194 (or 24187 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 50.

The square root of 55578299 is about 7455.0854455197. The cubic root of 55578299 is about 381.6234765702.

The spelling of 55578299 in words is "fifty-five million, five hundred seventy-eight thousand, two hundred ninety-nine".