97539552 has 180 divisors, whose sum is σ = 316324008. Its totient is φ = 29462400.

The previous prime is 97539539. The next prime is 97539569. The reversal of 97539552 is 25593579.

97539552 is a `hidden beast` number, since 97 + 5 + 3 + 9 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 97539498 and 97539507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 313477 + ... + 313787.

Almost surely, 2^97539552 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 97539552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158162004).

97539552 is an abundant number, since it is smaller than the sum of its proper divisors (218784456).

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

97539552 is a wasteful number, since it uses less digits than its factorization.

97539552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 327 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 97539552 is about 9876.2114193652. The cubic root of 97539552 is about 460.3204320625.

The spelling of 97539552 in words is "ninety-seven million, five hundred thirty-nine thousand, five hundred fifty-two".