97555423 has 6 divisors (see below), whose sum is σ = 113482896. Its totient is φ = 83618892.

The previous prime is 97555411. The next prime is 97555427. The reversal of 97555423 is 32455579.

It is a de Polignac number, because none of the positive numbers 2^k-97555423 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 (97555427) 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, 995415 + ... + 995512.

It is an arithmetic number, because the mean of its divisors is an integer number (18913816).

Almost surely, 2^97555423 is an apocalyptic number.

97555423 is a deficient number, since it is larger than the sum of its proper divisors (15927473).

97555423 is a wasteful number, since it uses less digits than its factorization.

97555423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990941 (or 1990934 counting only the distinct ones).

The product of its digits is 189000, while the sum is 40.

The square root of 97555423 is about 9877.0148830504. The cubic root of 97555423 is about 460.3453974883.

The spelling of 97555423 in words is "ninety-seven million, five hundred fifty-five thousand, four hundred twenty-three".