97550526863220 has 24 divisors (see below), whose sum is σ = 273141475217184. Its totient is φ = 26013473830176.

The previous prime is 97550526863201. The next prime is 97550526863233. The reversal of 97550526863220 is 2236862505579.

It is a happy number.

It is a super-2 number, since 2×97550526863220² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 1625842114387 = 97550526863220 / (9 + 7 + 5 + 5 + 0 + 5 + 2 + 6 + 8 + 6 + 3 + 2 + 2 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812921057134 + ... + 812921057253.

It is an arithmetic number, because the mean of its divisors is an integer number (11380894800716).

Almost surely, 2^{97550526863220} is an apocalyptic number.

It is an amenable number.

97550526863220 is an abundant number, since it is smaller than the sum of its proper divisors (175590948353964).

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

97550526863220 is a wasteful number, since it uses less digits than its factorization.

97550526863220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1625842114399 (or 1625842114397 counting only the distinct ones).

The product of its (nonzero) digits is 54432000, while the sum is 60.

The spelling of 97550526863220 in words is "ninety-seven trillion, five hundred fifty billion, five hundred twenty-six million, eight hundred sixty-three thousand, two hundred twenty".