52051302551 has 4 divisors (see below), whose sum is σ = 52051771752. Its totient is φ = 52050833352.

The previous prime is 52051302509. The next prime is 52051302577. The reversal of 52051302551 is 15520315025.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52051302551 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 (52051302451) 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, 35336 + ... + 324578.

It is an arithmetic number, because the mean of its divisors is an integer number (13012942938).

Almost surely, 2^52051302551 is an apocalyptic number.

52051302551 is a deficient number, since it is larger than the sum of its proper divisors (469201).

52051302551 is a wasteful number, since it uses less digits than its factorization.

52051302551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469200.

The product of its (nonzero) digits is 7500, while the sum is 29.

Adding to 52051302551 its reverse (15520315025), we get a palindrome (67571617576).

The spelling of 52051302551 in words is "fifty-two billion, fifty-one million, three hundred two thousand, five hundred fifty-one".