97550 has 12 divisors (see below), whose sum is σ = 181536. Its totient is φ = 39000.

The previous prime is 97549. The next prime is 97553. The reversal of 97550 is 5579.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 926 + ... + 1025.

It is an arithmetic number, because the mean of its divisors is an integer number (15128).

2⁹⁷⁵⁵⁰ is an apocalyptic number.

97550 is a deficient number, since it is larger than the sum of its proper divisors (83986).

97550 is a wasteful number, since it uses less digits than its factorization.

97550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1958 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 97550 is about 312.3299537348. The cubic root of 97550 is about 46.0336867297.

The spelling of 97550 in words is "ninety-seven thousand, five hundred fifty".