50150503621 has 2 divisors, whose sum is σ = 50150503622. Its totient is φ = 50150503620.

The previous prime is 50150503607. The next prime is 50150503633. The reversal of 50150503621 is 12630505105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35906081121 + 14244422500 = 189489^2 + 119350^2 .

It is a cyclic number.

It is not a de Polignac number, because 50150503621 - 2⁷ = 50150503493 is a prime.

It is a super-2 number, since 2×50150503621² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50150503621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50150503651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25075251810 + 25075251811.

It is an arithmetic number, because the mean of its divisors is an integer number (25075251811).

Almost surely, 2^50150503621 is an apocalyptic number.

It is an amenable number.

50150503621 is a deficient number, since it is larger than the sum of its proper divisors (1).

50150503621 is an equidigital number, since it uses as much as digits as its factorization.

50150503621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 50150503621 in words is "fifty billion, one hundred fifty million, five hundred three thousand, six hundred twenty-one".