97551494400 has 648 divisors, whose sum is σ = 353361258432. Its totient is φ = 23617536000.

The previous prime is 97551494399. The next prime is 97551494419. The reversal of 97551494400 is 449415579.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 97551494400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 313670245 + ... + 313670555.

It is an arithmetic number, because the mean of its divisors is an integer number (545310584).

Almost surely, 2^97551494400 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 97551494400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176680629216).

97551494400 is an abundant number, since it is smaller than the sum of its proper divisors (255809764032).

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

97551494400 is a wasteful number, since it uses less digits than its factorization.

97551494400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 97551494400 in words is "ninety-seven billion, five hundred fifty-one million, four hundred ninety-four thousand, four hundred".