50055619 has 2 divisors, whose sum is σ = 50055620. Its totient is φ = 50055618.

The previous prime is 50055617. The next prime is 50055641. The reversal of 50055619 is 91655005.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50055619 - 2¹ = 50055617 is a prime.

It is a super-2 number, since 2×50055619² = 5011129986946322, which contains 22 as substring.

Together with 50055617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (50055617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25027809 + 25027810.

It is an arithmetic number, because the mean of its divisors is an integer number (25027810).

Almost surely, 2^50055619 is an apocalyptic number.

50055619 is a deficient number, since it is larger than the sum of its proper divisors (1).

50055619 is an equidigital number, since it uses as much as digits as its factorization.

50055619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 50055619 is about 7074.9995759717. Note that the first 3 decimals coincide. The cubic root of 50055619 is about 368.5397006764.

The spelling of 50055619 in words is "fifty million, fifty-five thousand, six hundred nineteen".