97557533 has 8 divisors (see below), whose sum is σ = 103603200. Its totient is φ = 91603008.

The previous prime is 97557517. The next prime is 97557541. The reversal of 97557533 is 33575579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97557533 - 2⁴ = 97557517 is a prime.

It is a super-3 number, since 3×97557533³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97557233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20573 + ... + 24866.

It is an arithmetic number, because the mean of its divisors is an integer number (12950400).

Almost surely, 2^97557533 is an apocalyptic number.

It is an amenable number.

97557533 is a deficient number, since it is larger than the sum of its proper divisors (6045667).

97557533 is a wasteful number, since it uses less digits than its factorization.

97557533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45571.

The product of its digits is 496125, while the sum is 44.

The square root of 97557533 is about 9877.1216961218. The cubic root of 97557533 is about 460.3487163600.

The spelling of 97557533 in words is "ninety-seven million, five hundred fifty-seven thousand, five hundred thirty-three".