97865552 has 40 divisors (see below), whose sum is σ = 200624064. Its totient is φ = 46151424.

The previous prime is 97865527. The next prime is 97865567. The reversal of 97865552 is 25556879.

It is a junction number, because it is equal to n+sod(n) for n = 97865497 and 97865506.

It is a congruent number.

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, 25043 + ... + 28685.

Almost surely, 2^97865552 is an apocalyptic number.

97865552 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97865552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100312032).

97865552 is an abundant number, since it is smaller than the sum of its proper divisors (102758512).

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

97865552 is a wasteful number, since it uses less digits than its factorization.

97865552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3741 counting only the distinct ones).

The product of its digits is 756000, while the sum is 47.

The square root of 97865552 is about 9892.7019564930. The cubic root of 97865552 is about 460.8326946404.

The spelling of 97865552 in words is "ninety-seven million, eight hundred sixty-five thousand, five hundred fifty-two".