52210131768 has 320 divisors, whose sum is σ = 158674269600. Its totient is φ = 15984967680.

The previous prime is 52210131761. The next prime is 52210131847. The reversal of 52210131768 is 86713101225.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52210131761) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 147903880 + ... + 147904232.

Almost surely, 2^52210131768 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 52210131768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79337134800).

52210131768 is an abundant number, since it is smaller than the sum of its proper divisors (106464137832).

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

52210131768 is a wasteful number, since it uses less digits than its factorization.

52210131768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The spelling of 52210131768 in words is "fifty-two billion, two hundred ten million, one hundred thirty-one thousand, seven hundred sixty-eight".