52243215402 has 16 divisors (see below), whose sum is σ = 119413063872. Its totient is φ = 14926632960.

The previous prime is 52243215391. The next prime is 52243215413. The reversal of 52243215402 is 20451234225.

It is an interprime number because it is at equal distance from previous prime (52243215391) and next prime (52243215413).

It is a self number, because there is not a number n which added to its sum of digits gives 52243215402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621942999 + ... + 621943082.

It is an arithmetic number, because the mean of its divisors is an integer number (7463316492).

Almost surely, 2^52243215402 is an apocalyptic number.

52243215402 is an abundant number, since it is smaller than the sum of its proper divisors (67169848470).

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

52243215402 is a wasteful number, since it uses less digits than its factorization.

52243215402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243886093.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 52243215402 its reverse (20451234225), we get a palindrome (72694449627).

The spelling of 52243215402 in words is "fifty-two billion, two hundred forty-three million, two hundred fifteen thousand, four hundred two".