55558098 has 24 divisors (see below), whose sum is σ = 122649228. Its totient is φ = 18169632.

The previous prime is 55558081. The next prime is 55558099. The reversal of 55558098 is 89085555.

55558098 is a `hidden beast` number, since 5 + 5 + 558 + 0 + 98 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51883209 + 3674889 = 7203^2 + 1917^2 .

It is not an unprimeable number, because it can be changed into a prime (55558099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28165 + ... + 30072.

Almost surely, 2^55558098 is an apocalyptic number.

55558098 is an abundant number, since it is smaller than the sum of its proper divisors (67091130).

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

55558098 is a wasteful number, since it uses less digits than its factorization.

55558098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58298 (or 58295 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 45.

The square root of 55558098 is about 7453.7304754063. The cubic root of 55558098 is about 381.5772348404.

It can be divided in two parts, 555 and 58098, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 55558098 in words is "fifty-five million, five hundred fifty-eight thousand, ninety-eight".