52156237183 has 4 divisors (see below), whose sum is σ = 52643678760. Its totient is φ = 51668795608.

The previous prime is 52156237169. The next prime is 52156237307. The reversal of 52156237183 is 38173265125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52156237183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52156207183) 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, 243720628 + ... + 243720841.

It is an arithmetic number, because the mean of its divisors is an integer number (13160919690).

Almost surely, 2^52156237183 is an apocalyptic number.

52156237183 is a deficient number, since it is larger than the sum of its proper divisors (487441577).

52156237183 is a wasteful number, since it uses less digits than its factorization.

52156237183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487441576.

The product of its digits is 302400, while the sum is 43.

The spelling of 52156237183 in words is "fifty-two billion, one hundred fifty-six million, two hundred thirty-seven thousand, one hundred eighty-three".