53344451519 has 2 divisors, whose sum is σ = 53344451520. Its totient is φ = 53344451518.

The previous prime is 53344451441. The next prime is 53344451527. The reversal of 53344451519 is 91515444335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53344451519 - 2⁸ = 53344451263 is a prime.

It is a super-2 number, since 2×53344451519² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53344451519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53344451539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672225759 + 26672225760.

It is an arithmetic number, because the mean of its divisors is an integer number (26672225760).

Almost surely, 2^53344451519 is an apocalyptic number.

53344451519 is a deficient number, since it is larger than the sum of its proper divisors (1).

53344451519 is an equidigital number, since it uses as much as digits as its factorization.

53344451519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648000, while the sum is 44.

The spelling of 53344451519 in words is "fifty-three billion, three hundred forty-four million, four hundred fifty-one thousand, five hundred nineteen".