52257222020160 has 1512 divisors, whose sum is σ = 200035129357440. Its totient is φ = 12516638883840.

The previous prime is 52257222020147. The next prime is 52257222020221. The reversal of 52257222020160 is 6102022275225.

52257222020160 is a `hidden beast` number, since 5 + 2 + 2 + 572 + 2 + 2 + 0 + 20 + 1 + 60 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 63188901667 + ... + 63188902493.

Almost surely, 2^{52257222020160} 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 52257222020160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100017564678720).

52257222020160 is an abundant number, since it is smaller than the sum of its proper divisors (147777907337280).

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

52257222020160 is a wasteful number, since it uses less digits than its factorization.

52257222020160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 52257222020160 its reverse (6102022275225), we get a palindrome (58359244295385).

The spelling of 52257222020160 in words is "fifty-two trillion, two hundred fifty-seven billion, two hundred twenty-two million, twenty thousand, one hundred sixty".