52172016551 has 2 divisors, whose sum is σ = 52172016552. Its totient is φ = 52172016550.

The previous prime is 52172016541. The next prime is 52172016557. The reversal of 52172016551 is 15561027125.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52172016551 - 2¹⁰ = 52172015527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52172016557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26086008275 + 26086008276.

It is an arithmetic number, because the mean of its divisors is an integer number (26086008276).

Almost surely, 2^52172016551 is an apocalyptic number.

52172016551 is a deficient number, since it is larger than the sum of its proper divisors (1).

52172016551 is an equidigital number, since it uses as much as digits as its factorization.

52172016551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 52172016551 in words is "fifty-two billion, one hundred seventy-two million, sixteen thousand, five hundred fifty-one".