97102055 has 4 divisors (see below), whose sum is σ = 116522472. Its totient is φ = 77681640.

The previous prime is 97102043. The next prime is 97102081. The reversal of 97102055 is 55020179.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55020179 = 157 ⋅350447.

It is not a de Polignac number, because 97102055 - 2⁴ = 97102039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9710201 + ... + 9710210.

It is an arithmetic number, because the mean of its divisors is an integer number (29130618).

Almost surely, 2^97102055 is an apocalyptic number.

97102055 is a deficient number, since it is larger than the sum of its proper divisors (19420417).

97102055 is a wasteful number, since it uses less digits than its factorization.

97102055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19420416.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 97102055 is about 9854.0374973916. The cubic root of 97102055 is about 459.6311709547.

The spelling of 97102055 in words is "ninety-seven million, one hundred two thousand, fifty-five".