55490298 has 16 divisors (see below), whose sum is σ = 116821920. Its totient is φ = 17523216.

The previous prime is 55490287. The next prime is 55490321. The reversal of 55490298 is 89209455.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243265 + ... + 243492.

It is an arithmetic number, because the mean of its divisors is an integer number (7301370).

Almost surely, 2^55490298 is an apocalyptic number.

55490298 is an abundant number, since it is smaller than the sum of its proper divisors (61331622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55490298 is a wasteful number, since it uses less digits than its factorization.

55490298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486781.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 55490298 is about 7449.1810288112. The cubic root of 55490298 is about 381.4219531418.

The spelling of 55490298 in words is "fifty-five million, four hundred ninety thousand, two hundred ninety-eight".