55277198 has 8 divisors (see below), whose sum is σ = 84480408. Its totient is φ = 27117064.

The previous prime is 55277197. The next prime is 55277221. The reversal of 55277198 is 89177255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55277197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260636 + ... + 260847.

It is an arithmetic number, because the mean of its divisors is an integer number (10560051).

Almost surely, 2^55277198 is an apocalyptic number.

55277198 is a deficient number, since it is larger than the sum of its proper divisors (29203210).

55277198 is a wasteful number, since it uses less digits than its factorization.

55277198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521538.

The product of its digits is 176400, while the sum is 44.

The square root of 55277198 is about 7434.8636840227. The cubic root of 55277198 is about 380.9330671453.

The spelling of 55277198 in words is "fifty-five million, two hundred seventy-seven thousand, one hundred ninety-eight".