97055280 has 320 divisors, whose sum is σ = 392832000. Its totient is φ = 22014720.

The previous prime is 97055263. The next prime is 97055281. The reversal of 97055280 is 8255079.

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

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (97055281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 740815 + ... + 740945.

It is an arithmetic number, because the mean of its divisors is an integer number (1227600).

Almost surely, 2^97055280 is an apocalyptic number.

97055280 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 97055280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196416000).

97055280 is an abundant number, since it is smaller than the sum of its proper divisors (295776720).

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

97055280 is a wasteful number, since it uses less digits than its factorization.

97055280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 97055280 is about 9851.6638188684. The cubic root of 97055280 is about 459.5573561727.

The spelling of 97055280 in words is "ninety-seven million, fifty-five thousand, two hundred eighty".