97405056 has 192 divisors, whose sum is σ = 328423680. Its totient is φ = 27131904.

The previous prime is 97405027. The next prime is 97405057. The reversal of 97405056 is 65050479.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a self number, because there is not a number n which added to its sum of digits gives 97405056.

It is not an unprimeable number, because it can be changed into a prime (97405057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378880 + ... + 379136.

It is an arithmetic number, because the mean of its divisors is an integer number (1710540).

Almost surely, 2^97405056 is an apocalyptic number.

97405056 is a gapful number since it is divisible by the number (96) 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 97405056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164211840).

97405056 is an abundant number, since it is smaller than the sum of its proper divisors (231018624).

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

97405056 is a wasteful number, since it uses less digits than its factorization.

97405056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 97405056 is about 9869.3999817618. The cubic root of 97405056 is about 460.1087581531.

The spelling of 97405056 in words is "ninety-seven million, four hundred five thousand, fifty-six".