97500055 has 8 divisors (see below), whose sum is σ = 117378144. Its totient is φ = 77748000.

The previous prime is 97499999. The next prime is 97500061. The reversal of 97500055 is 55000579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 97500055 - 2¹⁷ = 97368983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29796 + ... + 32905.

It is an arithmetic number, because the mean of its divisors is an integer number (14672268).

Almost surely, 2^97500055 is an apocalyptic number.

97500055 is a deficient number, since it is larger than the sum of its proper divisors (19878089).

97500055 is a wasteful number, since it uses less digits than its factorization.

97500055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63017.

The product of its (nonzero) digits is 7875, while the sum is 31.

The square root of 97500055 is about 9874.2116140986. The cubic root of 97500055 is about 460.2582906701.

The spelling of 97500055 in words is "ninety-seven million, five hundred thousand, fifty-five".