97255650 has 24 divisors (see below), whose sum is σ = 241194384. Its totient is φ = 25934800.

The previous prime is 97255619. The next prime is 97255663. The reversal of 97255650 is 5655279.

It is a super-2 number, since 2×97255650² = 18917322913845000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97255599 and 97255608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324036 + ... + 324335.

It is an arithmetic number, because the mean of its divisors is an integer number (10049766).

Almost surely, 2^97255650 is an apocalyptic number.

97255650 is an abundant number, since it is smaller than the sum of its proper divisors (143938734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97255650 is a wasteful number, since it uses less digits than its factorization.

97255650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648386 (or 648381 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 97255650 is about 9861.8279238689. The cubic root of 97255650 is about 459.8733898558.

The spelling of 97255650 in words is "ninety-seven million, two hundred fifty-five thousand, six hundred fifty".