97554432 has 104 divisors (see below), whose sum is σ = 276003936. Its totient is φ = 30539776.

The previous prime is 97554421. The next prime is 97554439. The reversal of 97554432 is 23445579.

It is a super-4 number, since 4×97554432⁴ (a number of 33 digits) contains 4444 as substring.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (97554439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208663 + ... + 209129.

It is an arithmetic number, because the mean of its divisors is an integer number (2653884).

Almost surely, 2^97554432 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 97554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138001968).

97554432 is an abundant number, since it is smaller than the sum of its proper divisors (178449504).

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

97554432 is a wasteful number, since it uses less digits than its factorization.

97554432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511 (or 489 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 97554432 is about 9876.9647159439. The cubic root of 97554432 is about 460.3438387032.

The spelling of 97554432 in words is "ninety-seven million, five hundred fifty-four thousand, four hundred thirty-two".