54206030311519 has 2 divisors, whose sum is σ = 54206030311520. Its totient is φ = 54206030311518.

The previous prime is 54206030311399. The next prime is 54206030311613. The reversal of 54206030311519 is 91511303060245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54206030311519 - 2²¹ = 54206028214367 is a prime.

It is a super-2 number, since 2×54206030311519² (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 (54206030311019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27103015155759 + 27103015155760.

It is an arithmetic number, because the mean of its divisors is an integer number (27103015155760).

Almost surely, 2^{54206030311519} is an apocalyptic number.

54206030311519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54206030311519 is an equidigital number, since it uses as much as digits as its factorization.

54206030311519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 54206030311519 in words is "fifty-four trillion, two hundred six billion, thirty million, three hundred eleven thousand, five hundred nineteen".