52150550509 has 2 divisors, whose sum is σ = 52150550510. Its totient is φ = 52150550508.

The previous prime is 52150550483. The next prime is 52150550539. The reversal of 52150550509 is 90505505125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51371582409 + 778968100 = 226653^2 + 27910^2 .

It is a cyclic number.

It is not a de Polignac number, because 52150550509 - 2¹³ = 52150542317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52150550539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26075275254 + 26075275255.

It is an arithmetic number, because the mean of its divisors is an integer number (26075275255).

Almost surely, 2^52150550509 is an apocalyptic number.

It is an amenable number.

52150550509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52150550509 is an equidigital number, since it uses as much as digits as its factorization.

52150550509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56250, while the sum is 37.

The spelling of 52150550509 in words is "fifty-two billion, one hundred fifty million, five hundred fifty thousand, five hundred nine".