51542203533319 has 2 divisors, whose sum is σ = 51542203533320. Its totient is φ = 51542203533318.

The previous prime is 51542203533241. The next prime is 51542203533323. The reversal of 51542203533319 is 91333530224515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51542203533319 - 2¹⁵ = 51542203500551 is a prime.

It is a super-2 number, since 2×51542203533319² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51542203536319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25771101766659 + 25771101766660.

It is an arithmetic number, because the mean of its divisors is an integer number (25771101766660).

Almost surely, 2^{51542203533319} is an apocalyptic number.

51542203533319 is a deficient number, since it is larger than the sum of its proper divisors (1).

51542203533319 is an equidigital number, since it uses as much as digits as its factorization.

51542203533319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 51542203533319 in words is "fifty-one trillion, five hundred forty-two billion, two hundred three million, five hundred thirty-three thousand, three hundred nineteen".