53221551210 has 96 divisors (see below), whose sum is σ = 143716135680. Its totient is φ = 13654952064.

The previous prime is 53221551209. The next prime is 53221551221. The reversal of 53221551210 is 1215512235.

53221551210 is a `hidden beast` number, since 532 + 2 + 1 + 5 + 5 + 121 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142944 + ... + 356196.

It is an arithmetic number, because the mean of its divisors is an integer number (1497043080).

Almost surely, 2^53221551210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53221551210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71858067840).

53221551210 is an abundant number, since it is smaller than the sum of its proper divisors (90494584470).

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

53221551210 is a wasteful number, since it uses less digits than its factorization.

53221551210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213372 (or 213369 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The spelling of 53221551210 in words is "fifty-three billion, two hundred twenty-one million, five hundred fifty-one thousand, two hundred ten".