97551648 has 96 divisors (see below), whose sum is σ = 296956800. Its totient is φ = 31097088.

The previous prime is 97551631. The next prime is 97551667. The reversal of 97551648 is 84615579.

97551648 is a `hidden beast` number, since 97 + 5 + 516 + 48 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17418 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (3093300).

Almost surely, 2^97551648 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 97551648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148478400).

97551648 is an abundant number, since it is smaller than the sum of its proper divisors (199405152).

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

97551648 is a wasteful number, since it uses less digits than its factorization.

97551648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951 (or 4937 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The square root of 97551648 is about 9876.8237809531. The cubic root of 97551648 is about 460.3394595772.

The spelling of 97551648 in words is "ninety-seven million, five hundred fifty-one thousand, six hundred forty-eight".