97016555 has 4 divisors (see below), whose sum is σ = 116419872. Its totient is φ = 77613240.

The previous prime is 97016551. The next prime is 97016561. The reversal of 97016555 is 55561079.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55561079 = 7 ⋅7937297.

It is not a de Polignac number, because 97016555 - 2² = 97016551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97016551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9701651 + ... + 9701660.

It is an arithmetic number, because the mean of its divisors is an integer number (29104968).

Almost surely, 2^97016555 is an apocalyptic number.

97016555 is a deficient number, since it is larger than the sum of its proper divisors (19403317).

97016555 is a wasteful number, since it uses less digits than its factorization.

97016555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19403316.

The product of its (nonzero) digits is 47250, while the sum is 38.

The square root of 97016555 is about 9849.6982187273. The cubic root of 97016555 is about 459.4962270029.

The spelling of 97016555 in words is "ninety-seven million, sixteen thousand, five hundred fifty-five".