50525621413 has 2 divisors, whose sum is σ = 50525621414. Its totient is φ = 50525621412.

The previous prime is 50525621407. The next prime is 50525621459. The reversal of 50525621413 is 31412652505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33515723329 + 17009898084 = 183073^2 + 130422^2 .

It is a cyclic number.

It is not a de Polignac number, because 50525621413 - 2²⁹ = 49988750501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50525621483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25262810706 + 25262810707.

It is an arithmetic number, because the mean of its divisors is an integer number (25262810707).

Almost surely, 2^50525621413 is an apocalyptic number.

It is an amenable number.

50525621413 is a deficient number, since it is larger than the sum of its proper divisors (1).

50525621413 is an equidigital number, since it uses as much as digits as its factorization.

50525621413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 50525621413 in words is "fifty billion, five hundred twenty-five million, six hundred twenty-one thousand, four hundred thirteen".