55904299 has 12 divisors (see below), whose sum is σ = 63114352. Its totient is φ = 49444560.

The previous prime is 55904297. The next prime is 55904309. The reversal of 55904299 is 99240955.

It is a happy number.

It is not a de Polignac number, because 55904299 - 2¹ = 55904297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55904297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 10720.

Almost surely, 2^55904299 is an apocalyptic number.

55904299 is a deficient number, since it is larger than the sum of its proper divisors (7210053).

55904299 is a wasteful number, since it uses less digits than its factorization.

55904299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12546 (or 12535 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 55904299 is about 7476.9177473074. The cubic root of 55904299 is about 382.3681724931.

It can be divided in two parts, 5590 and 4299, that added together give a palindrome (9889).

The spelling of 55904299 in words is "fifty-five million, nine hundred four thousand, two hundred ninety-nine".