52155463642 has 16 divisors (see below), whose sum is σ = 81640380672. Its totient is φ = 24942162960.

The previous prime is 52155463609. The next prime is 52155463651. The reversal of 52155463642 is 24636455125.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821167 + ... + 882397.

It is an arithmetic number, because the mean of its divisors is an integer number (5102523792).

Almost surely, 2^52155463642 is an apocalyptic number.

52155463642 is a deficient number, since it is larger than the sum of its proper divisors (29484917030).

52155463642 is a wasteful number, since it uses less digits than its factorization.

52155463642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79773.

The product of its digits is 864000, while the sum is 43.

The spelling of 52155463642 in words is "fifty-two billion, one hundred fifty-five million, four hundred sixty-three thousand, six hundred forty-two".