97825550 has 24 divisors (see below), whose sum is σ = 182576856. Its totient is φ = 38996640.

The previous prime is 97825537. The next prime is 97825571. The reversal of 97825550 is 5552879.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 97825498 and 97825507.

It is a congruent number.

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, 12164 + ... + 18536.

It is an arithmetic number, because the mean of its divisors is an integer number (7607369).

Almost surely, 2^97825550 is an apocalyptic number.

97825550 is a deficient number, since it is larger than the sum of its proper divisors (84751306).

97825550 is a wasteful number, since it uses less digits than its factorization.

97825550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6692 (or 6687 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 97825550 is about 9890.6799564034. The cubic root of 97825550 is about 460.7698984836.

The spelling of 97825550 in words is "ninety-seven million, eight hundred twenty-five thousand, five hundred fifty".