97955255 has 4 divisors (see below), whose sum is σ = 117546312. Its totient is φ = 78364200.

The previous prime is 97955251. The next prime is 97955261. The reversal of 97955255 is 55255979.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55255979 = 1657 ⋅33347.

It is not a de Polignac number, because 97955255 - 2² = 97955251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97955251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9795521 + ... + 9795530.

It is an arithmetic number, because the mean of its divisors is an integer number (29386578).

Almost surely, 2^97955255 is an apocalyptic number.

97955255 is a deficient number, since it is larger than the sum of its proper divisors (19591057).

97955255 is a wasteful number, since it uses less digits than its factorization.

97955255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591056.

The product of its digits is 708750, while the sum is 47.

The square root of 97955255 is about 9897.2347148080. The cubic root of 97955255 is about 460.9734505063.

The spelling of 97955255 in words is "ninety-seven million, nine hundred fifty-five thousand, two hundred fifty-five".