97065552 has 80 divisors (see below), whose sum is σ = 262304640. Its totient is φ = 30890496.

The previous prime is 97065539. The next prime is 97065571. The reversal of 97065552 is 25556079.

It is a self number, because there is not a number n which added to its sum of digits gives 97065552.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 143038 + ... + 143714.

It is an arithmetic number, because the mean of its divisors is an integer number (3278808).

Almost surely, 2^97065552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97065552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131152320).

97065552 is an abundant number, since it is smaller than the sum of its proper divisors (165239088).

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

97065552 is a wasteful number, since it uses less digits than its factorization.

97065552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 97065552 is about 9852.1851383335. The cubic root of 97065552 is about 459.5735682621.

The spelling of 97065552 in words is "ninety-seven million, sixty-five thousand, five hundred fifty-two".