97655560 has 16 divisors (see below), whose sum is σ = 219725100. Its totient is φ = 39062208.

The previous prime is 97655527. The next prime is 97655567. The reversal of 97655560 is 6555679.

It can be written as a sum of positive squares in 2 ways, for example, as 96314596 + 1340964 = 9814^2 + 1158^2 .

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (97655567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220655 + ... + 1220734.

Almost surely, 2^97655560 is an apocalyptic number.

It is an amenable number.

97655560 is an abundant number, since it is smaller than the sum of its proper divisors (122069540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97655560 is a wasteful number, since it uses less digits than its factorization.

97655560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441400 (or 2441396 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 97655560 is about 9882.0827764191. The cubic root of 97655560 is about 460.5028527486.

The spelling of 97655560 in words is "ninety-seven million, six hundred fifty-five thousand, five hundred sixty".