50558621 has 2 divisors, whose sum is σ = 50558622. Its totient is φ = 50558620.

The previous prime is 50558611. The next prime is 50558659. The reversal of 50558621 is 12685505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50268100 + 290521 = 7090^2 + 539^2 .

It is a cyclic number.

It is not a de Polignac number, because 50558621 - 2¹⁴ = 50542237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50558611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25279310 + 25279311.

It is an arithmetic number, because the mean of its divisors is an integer number (25279311).

Almost surely, 2^50558621 is an apocalyptic number.

It is an amenable number.

50558621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50558621 is an equidigital number, since it uses as much as digits as its factorization.

50558621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 50558621 is about 7110.4585646778. The cubic root of 50558621 is about 369.7700567863.

The spelling of 50558621 in words is "fifty million, five hundred fifty-eight thousand, six hundred twenty-one".