52237217802 has 256 divisors, whose sum is σ = 139377770496. Its totient is φ = 12658464000.

The previous prime is 52237217777. The next prime is 52237217861. The reversal of 52237217802 is 20871273225.

It is a super-2 number, since 2×52237217802² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 47791968 + ... + 47793060.

It is an arithmetic number, because the mean of its divisors is an integer number (544444416).

Almost surely, 2^52237217802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52237217802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69688885248).

52237217802 is an abundant number, since it is smaller than the sum of its proper divisors (87140552694).

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

52237217802 is a wasteful number, since it uses less digits than its factorization.

52237217802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265.

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 52237217802 in words is "fifty-two billion, two hundred thirty-seven million, two hundred seventeen thousand, eight hundred two".