97503552 has 84 divisors (see below), whose sum is σ = 282221940. Its totient is φ = 32182272.

The previous prime is 97503533. The next prime is 97503557. The reversal of 97503552 is 25530579.

It can be written as a sum of positive squares in 2 ways, for example, as 36288576 + 61214976 = 6024^2 + 7824^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97503557) 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 11 ways as a sum of consecutive naturals, for example, 62008 + ... + 63560.

It is an arithmetic number, because the mean of its divisors is an integer number (3359785).

Almost surely, 2^97503552 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 97503552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141110970).

97503552 is an abundant number, since it is smaller than the sum of its proper divisors (184718388).

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

97503552 is a wasteful number, since it uses less digits than its factorization.

97503552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 97503552 is about 9874.3886899392. The cubic root of 97503552 is about 460.2637932447.

The spelling of 97503552 in words is "ninety-seven million, five hundred three thousand, five hundred fifty-two".