50075021 has 2 divisors, whose sum is σ = 50075022. Its totient is φ = 50075020.

The previous prime is 50075017. The next prime is 50075029. The reversal of 50075021 is 12057005.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31248100 + 18826921 = 5590^2 + 4339^2 .

It is a cyclic number.

It is not a de Polignac number, because 50075021 - 2² = 50075017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50074984 and 50075002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50075029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25037510 + 25037511.

It is an arithmetic number, because the mean of its divisors is an integer number (25037511).

Almost surely, 2^50075021 is an apocalyptic number.

It is an amenable number.

50075021 is a deficient number, since it is larger than the sum of its proper divisors (1).

50075021 is an equidigital number, since it uses as much as digits as its factorization.

50075021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350, while the sum is 20.

The square root of 50075021 is about 7076.3706092884. The cubic root of 50075021 is about 368.5873109398.

The spelling of 50075021 in words is "fifty million, seventy-five thousand, twenty-one".