97550198 has 16 divisors (see below), whose sum is σ = 148262400. Its totient is φ = 48133800.

The previous prime is 97550197. The next prime is 97550203. The reversal of 97550198 is 89105579.

It is a happy number.

It is a super-2 number, since 2×97550198² = 19032082259678408, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97550197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51203 + ... + 53073.

It is an arithmetic number, because the mean of its divisors is an integer number (9266400).

Almost surely, 2^97550198 is an apocalyptic number.

97550198 is a deficient number, since it is larger than the sum of its proper divisors (50712202).

97550198 is a wasteful number, since it uses less digits than its factorization.

97550198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 97550198 is about 9876.7503765155. The cubic root of 97550198 is about 460.3371787494.

The spelling of 97550198 in words is "ninety-seven million, five hundred fifty thousand, one hundred ninety-eight".