53345512837 has 2 divisors, whose sum is σ = 53345512838. Its totient is φ = 53345512836.

The previous prime is 53345512823. The next prime is 53345512841. The reversal of 53345512837 is 73821554335.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53268178401 + 77334436 = 230799^2 + 8794^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53345512837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53345512897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26672756418 + 26672756419.

It is an arithmetic number, because the mean of its divisors is an integer number (26672756419).

Almost surely, 2^53345512837 is an apocalyptic number.

It is an amenable number.

53345512837 is a deficient number, since it is larger than the sum of its proper divisors (1).

53345512837 is an equidigital number, since it uses as much as digits as its factorization.

53345512837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512000, while the sum is 46.

The spelling of 53345512837 in words is "fifty-three billion, three hundred forty-five million, five hundred twelve thousand, eight hundred thirty-seven".