50852981437 has 2 divisors, whose sum is σ = 50852981438. Its totient is φ = 50852981436.

The previous prime is 50852981429. The next prime is 50852981489. The reversal of 50852981437 is 73418925805.

It is a happy number.

It is an a-pointer prime, because the next prime (50852981489) can be obtained adding 50852981437 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45668117401 + 5184864036 = 213701^2 + 72006^2 .

It is a cyclic number.

It is not a de Polignac number, because 50852981437 - 2³ = 50852981429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50852951437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25426490718 + 25426490719.

It is an arithmetic number, because the mean of its divisors is an integer number (25426490719).

Almost surely, 2^50852981437 is an apocalyptic number.

It is an amenable number.

50852981437 is a deficient number, since it is larger than the sum of its proper divisors (1).

50852981437 is an equidigital number, since it uses as much as digits as its factorization.

50852981437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2419200, while the sum is 52.

The spelling of 50852981437 in words is "fifty billion, eight hundred fifty-two million, nine hundred eighty-one thousand, four hundred thirty-seven".