52243021555 has 32 divisors (see below), whose sum is σ = 67364172288. Its totient is φ = 38753164800.

The previous prime is 52243021549. The next prime is 52243021577. The reversal of 52243021555 is 55512034225.

It is not a de Polignac number, because 52243021555 - 2⁷ = 52243021427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52243021555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11651344 + ... + 11655826.

It is an arithmetic number, because the mean of its divisors is an integer number (2105130384).

Almost surely, 2^52243021555 is an apocalyptic number.

52243021555 is a deficient number, since it is larger than the sum of its proper divisors (15121150733).

52243021555 is a wasteful number, since it uses less digits than its factorization.

52243021555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 52243021555 in words is "fifty-two billion, two hundred forty-three million, twenty-one thousand, five hundred fifty-five".