55270998 has 20 divisors (see below), whose sum is σ = 123848340. Its totient is φ = 18423612.

The previous prime is 55270991. The next prime is 55271077. The reversal of 55270998 is 89907255.

It is a happy number.

55270998 is a `hidden beast` number, since 552 + 7 + 0 + 9 + 98 = 666.

It is a super-3 number, since 3×55270998³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55270991) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 170428 + ... + 170751.

It is an arithmetic number, because the mean of its divisors is an integer number (6192417).

Almost surely, 2^55270998 is an apocalyptic number.

55270998 is an abundant number, since it is smaller than the sum of its proper divisors (68577342).

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

55270998 is a wasteful number, since it uses less digits than its factorization.

55270998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341193 (or 341184 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 55270998 is about 7434.4467178130. The cubic root of 55270998 is about 380.9188245438.

The spelling of 55270998 in words is "fifty-five million, two hundred seventy thousand, nine hundred ninety-eight".