55306698 has 16 divisors (see below), whose sum is σ = 112129536. Its totient is φ = 18182880.

The previous prime is 55306681. The next prime is 55306703. The reversal of 55306698 is 89660355.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62698 + ... + 63573.

It is an arithmetic number, because the mean of its divisors is an integer number (7008096).

Almost surely, 2^55306698 is an apocalyptic number.

55306698 is an abundant number, since it is smaller than the sum of its proper divisors (56822838).

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

55306698 is a wasteful number, since it uses less digits than its factorization.

55306698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126349.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 55306698 is about 7436.8473158994. The cubic root of 55306698 is about 381.0008197777. Note that the first 3 decimals are identical.

The spelling of 55306698 in words is "fifty-five million, three hundred six thousand, six hundred ninety-eight".