97255589 has 8 divisors (see below), whose sum is σ = 106527960. Its totient is φ = 88377856.

The previous prime is 97255537. The next prime is 97255603. The reversal of 97255589 is 98555279.

It can be written as a sum of positive squares in 4 ways, for example, as 57123364 + 40132225 = 7558^2 + 6335^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 97255589 - 2¹² = 97251493 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 (97255489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98144 + ... + 99129.

It is an arithmetic number, because the mean of its divisors is an integer number (13315995).

Almost surely, 2^97255589 is an apocalyptic number.

It is an amenable number.

97255589 is a deficient number, since it is larger than the sum of its proper divisors (9272371).

97255589 is a wasteful number, since it uses less digits than its factorization.

97255589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197319.

The product of its digits is 1134000, while the sum is 50.

The square root of 97255589 is about 9861.8248311355. The cubic root of 97255589 is about 459.8732937096.

The spelling of 97255589 in words is "ninety-seven million, two hundred fifty-five thousand, five hundred eighty-nine".