53751897877 has 2 divisors, whose sum is σ = 53751897878. Its totient is φ = 53751897876.

The previous prime is 53751897863. The next prime is 53751897887. The reversal of 53751897877 is 77879815735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36848257681 + 16903640196 = 191959^2 + 130014^2 .

It is a cyclic number.

It is not a de Polignac number, because 53751897877 - 2¹¹ = 53751895829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53751897817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26875948938 + 26875948939.

It is an arithmetic number, because the mean of its divisors is an integer number (26875948939).

Almost surely, 2^53751897877 is an apocalyptic number.

It is an amenable number.

53751897877 is a deficient number, since it is larger than the sum of its proper divisors (1).

53751897877 is an equidigital number, since it uses as much as digits as its factorization.

53751897877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103723200, while the sum is 67.

The spelling of 53751897877 in words is "fifty-three billion, seven hundred fifty-one million, eight hundred ninety-seven thousand, eight hundred seventy-seven".