52071565051 has 4 divisors (see below), whose sum is σ = 56805343704. Its totient is φ = 47337786400.

The previous prime is 52071565037. The next prime is 52071565057. The reversal of 52071565051 is 15056517025.

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 52071565051 - 2⁵ = 52071565019 is a prime.

It is a super-2 number, since 2×52071565051² (a number of 22 digits) contains 22 as substring.

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 52071565051.

It is not an unprimeable number, because it can be changed into a prime (52071565057) 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, 2366889310 + ... + 2366889331.

It is an arithmetic number, because the mean of its divisors is an integer number (14201335926).

Almost surely, 2^52071565051 is an apocalyptic number.

52071565051 is a deficient number, since it is larger than the sum of its proper divisors (4733778653).

52071565051 is a wasteful number, since it uses less digits than its factorization.

52071565051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733778652.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 52071565051 in words is "fifty-two billion, seventy-one million, five hundred sixty-five thousand, fifty-one".