52155463643 has 4 divisors (see below), whose sum is σ = 52417551600. Its totient is φ = 51893375688.

The previous prime is 52155463609. The next prime is 52155463651. The reversal of 52155463643 is 34636455125.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52155463643 - 2⁸ = 52155463387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52155463594 and 52155463603.

It is not an unprimeable number, because it can be changed into a prime (52155463663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131043680 + ... + 131044077.

It is an arithmetic number, because the mean of its divisors is an integer number (13104387900).

Almost surely, 2^52155463643 is an apocalyptic number.

52155463643 is a deficient number, since it is larger than the sum of its proper divisors (262087957).

52155463643 is a wasteful number, since it uses less digits than its factorization.

52155463643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262087956.

The product of its digits is 1296000, while the sum is 44.

The spelling of 52155463643 in words is "fifty-two billion, one hundred fifty-five million, four hundred sixty-three thousand, six hundred forty-three".