55369998 has 12 divisors (see below), whose sum is σ = 119968368. Its totient is φ = 18456660.

The previous prime is 55369973. The next prime is 55370023. The reversal of 55369998 is 89996355.

It is an interprime number because it is at equal distance from previous prime (55369973) and next prime (55370023).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1538038 + ... + 1538073.

It is an arithmetic number, because the mean of its divisors is an integer number (9997364).

Almost surely, 2^55369998 is an apocalyptic number.

55369998 is an abundant number, since it is smaller than the sum of its proper divisors (64598370).

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

55369998 is a wasteful number, since it uses less digits than its factorization.

55369998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076119 (or 3076116 counting only the distinct ones).

The product of its digits is 2624400, while the sum is 54.

The square root of 55369998 is about 7441.1019345256. The cubic root of 55369998 is about 381.1461195793.

The spelling of 55369998 in words is "fifty-five million, three hundred sixty-nine thousand, nine hundred ninety-eight".