97155633 has 4 divisors (see below), whose sum is σ = 129540848. Its totient is φ = 64770420.

The previous prime is 97155631. The next prime is 97155649. The reversal of 97155633 is 33655179.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 97155633 - 2¹ = 97155631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 97155591 and 97155600.

It is not an unprimeable number, because it can be changed into a prime (97155631) 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, 16192603 + ... + 16192608.

It is an arithmetic number, because the mean of its divisors is an integer number (32385212).

Almost surely, 2^97155633 is an apocalyptic number.

It is an amenable number.

97155633 is a deficient number, since it is larger than the sum of its proper divisors (32385215).

97155633 is a wasteful number, since it uses less digits than its factorization.

97155633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32385214.

The product of its digits is 85050, while the sum is 39.

The square root of 97155633 is about 9856.7557035771. The cubic root of 97155633 is about 459.7156923068.

The spelling of 97155633 in words is "ninety-seven million, one hundred fifty-five thousand, six hundred thirty-three".