52051051651 has 4 divisors (see below), whose sum is σ = 52338626704. Its totient is φ = 51763476600.

The previous prime is 52051051573. The next prime is 52051051687. The reversal of 52051051651 is 15615015025.

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 52051051651 - 2⁷ = 52051051523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52051054651) 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, 143787255 + ... + 143787616.

It is an arithmetic number, because the mean of its divisors is an integer number (13084656676).

Almost surely, 2^52051051651 is an apocalyptic number.

52051051651 is a deficient number, since it is larger than the sum of its proper divisors (287575053).

52051051651 is a wasteful number, since it uses less digits than its factorization.

52051051651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287575052.

The product of its (nonzero) digits is 7500, while the sum is 31.

Adding to 52051051651 its reverse (15615015025), we get a palindrome (67666066676).

The spelling of 52051051651 in words is "fifty-two billion, fifty-one million, fifty-one thousand, six hundred fifty-one".