53311144919 has 2 divisors, whose sum is σ = 53311144920. Its totient is φ = 53311144918.

The previous prime is 53311144897. The next prime is 53311145023. The reversal of 53311144919 is 91944111335.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53311144919 is a prime.

It is a super-2 number, since 2×53311144919² (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 (53311144519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26655572459 + 26655572460.

It is an arithmetic number, because the mean of its divisors is an integer number (26655572460).

Almost surely, 2^53311144919 is an apocalyptic number.

53311144919 is a deficient number, since it is larger than the sum of its proper divisors (1).

53311144919 is an equidigital number, since it uses as much as digits as its factorization.

53311144919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 41.

The spelling of 53311144919 in words is "fifty-three billion, three hundred eleven million, one hundred forty-four thousand, nine hundred nineteen".