53052499891 has 2 divisors, whose sum is σ = 53052499892. Its totient is φ = 53052499890.

The previous prime is 53052499793. The next prime is 53052499931. The reversal of 53052499891 is 19899425035.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53052499891 - 2⁷ = 53052499763 is a prime.

It is not a weakly prime, because it can be changed into another prime (53052499991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526249945 + 26526249946.

It is an arithmetic number, because the mean of its divisors is an integer number (26526249946).

Almost surely, 2^53052499891 is an apocalyptic number.

53052499891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53052499891 is an equidigital number, since it uses as much as digits as its factorization.

53052499891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The spelling of 53052499891 in words is "fifty-three billion, fifty-two million, four hundred ninety-nine thousand, eight hundred ninety-one".