97755523 has 4 divisors (see below), whose sum is σ = 97775368. Its totient is φ = 97735680.

The previous prime is 97755487. The next prime is 97755547. The reversal of 97755523 is 32555779.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97755523 is a prime.

It is a super-2 number, since 2×97755523² = 19112284554007058, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97755523.

It is not an unprimeable number, because it can be changed into a prime (97755563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3715 + ... + 14467.

It is an arithmetic number, because the mean of its divisors is an integer number (24443842).

Almost surely, 2^97755523 is an apocalyptic number.

97755523 is a deficient number, since it is larger than the sum of its proper divisors (19845).

97755523 is a wasteful number, since it uses less digits than its factorization.

97755523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19844.

The product of its digits is 330750, while the sum is 43.

The square root of 97755523 is about 9887.1392728129. The cubic root of 97755523 is about 460.6599270911.

The spelling of 97755523 in words is "ninety-seven million, seven hundred fifty-five thousand, five hundred twenty-three".