54072409519 has 2 divisors, whose sum is σ = 54072409520. Its totient is φ = 54072409518.

The previous prime is 54072409513. The next prime is 54072409561. The reversal of 54072409519 is 91590427045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54072409519 - 2⁵ = 54072409487 is a prime.

It is a super-2 number, since 2×54072409519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54072409513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27036204759 + 27036204760.

It is an arithmetic number, because the mean of its divisors is an integer number (27036204760).

Almost surely, 2^54072409519 is an apocalyptic number.

54072409519 is a deficient number, since it is larger than the sum of its proper divisors (1).

54072409519 is an equidigital number, since it uses as much as digits as its factorization.

54072409519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 54072409519 in words is "fifty-four billion, seventy-two million, four hundred nine thousand, five hundred nineteen".