51835520551 has 2 divisors, whose sum is σ = 51835520552. Its totient is φ = 51835520550.

The previous prime is 51835520521. The next prime is 51835520621. The reversal of 51835520551 is 15502553815.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51835520551 - 2¹⁵ = 51835487783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51835520521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25917760275 + 25917760276.

It is an arithmetic number, because the mean of its divisors is an integer number (25917760276).

Almost surely, 2^51835520551 is an apocalyptic number.

51835520551 is a deficient number, since it is larger than the sum of its proper divisors (1).

51835520551 is an equidigital number, since it uses as much as digits as its factorization.

51835520551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150000, while the sum is 40.

The spelling of 51835520551 in words is "fifty-one billion, eight hundred thirty-five million, five hundred twenty thousand, five hundred fifty-one".