97649555 has 8 divisors (see below), whose sum is σ = 117236400. Its totient is φ = 78081696.

The previous prime is 97649521. The next prime is 97649567. The reversal of 97649555 is 55594679.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97649555 - 2⁶ = 97649491 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11861 + ... + 18329.

It is an arithmetic number, because the mean of its divisors is an integer number (14654550).

Almost surely, 2^97649555 is an apocalyptic number.

97649555 is a deficient number, since it is larger than the sum of its proper divisors (19586845).

97649555 is a wasteful number, since it uses less digits than its factorization.

97649555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9493.

The product of its digits is 1701000, while the sum is 50.

The square root of 97649555 is about 9881.7789390372. The cubic root of 97649555 is about 460.4934135308.

The spelling of 97649555 in words is "ninety-seven million, six hundred forty-nine thousand, five hundred fifty-five".