52157251049 has 2 divisors, whose sum is σ = 52157251050. Its totient is φ = 52157251048.

The previous prime is 52157251037. The next prime is 52157251099. The reversal of 52157251049 is 94015275125.

52157251049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49552986025 + 2604265024 = 222605^2 + 51032^2 .

It is a cyclic number.

It is not a de Polignac number, because 52157251049 - 2³² = 47862283753 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52157250997 and 52157251015.

It is not a weakly prime, because it can be changed into another prime (52157251019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26078625524 + 26078625525.

It is an arithmetic number, because the mean of its divisors is an integer number (26078625525).

Almost surely, 2^52157251049 is an apocalyptic number.

It is an amenable number.

52157251049 is a deficient number, since it is larger than the sum of its proper divisors (1).

52157251049 is an equidigital number, since it uses as much as digits as its factorization.

52157251049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 52157251049 in words is "fifty-two billion, one hundred fifty-seven million, two hundred fifty-one thousand, forty-nine".