97553340 has 72 divisors (see below), whose sum is σ = 300365520. Its totient is φ = 25622784.

The previous prime is 97553317. The next prime is 97553359. The reversal of 97553340 is 4335579.

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

It is a junction number, because it is equal to n+sod(n) for n = 97553295 and 97553304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8016 + ... + 16104.

Almost surely, 2^97553340 is an apocalyptic number.

97553340 is a gapful number since it is divisible by the number (90) 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 97553340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150182760).

97553340 is an abundant number, since it is smaller than the sum of its proper divisors (202812180).

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

97553340 is a wasteful number, since it uses less digits than its factorization.

97553340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171 (or 8166 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 97553340 is about 9876.9094356484. The cubic root of 97553340 is about 460.3421210387.

The spelling of 97553340 in words is "ninety-seven million, five hundred fifty-three thousand, three hundred forty".