55435198 has 128 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 18247680.

The previous prime is 55435189. The next prime is 55435199. The reversal of 55435198 is 89153455.

It is a super-2 number, since 2×55435198² = 6146122354598408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55435198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55435199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1352058 + ... + 1352098.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^55435198 is an apocalyptic number.

55435198 is an abundant number, since it is smaller than the sum of its proper divisors (66492482).

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

55435198 is a wasteful number, since it uses less digits than its factorization.

55435198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122.

The product of its digits is 108000, while the sum is 40.

The square root of 55435198 is about 7445.4817171221. The cubic root of 55435198 is about 381.2956649414.

The spelling of 55435198 in words is "fifty-five million, four hundred thirty-five thousand, one hundred ninety-eight".