50557783 has 2 divisors, whose sum is σ = 50557784. Its totient is φ = 50557782.

The previous prime is 50557781. The next prime is 50557789. The reversal of 50557783 is 38775505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50557783 - 2¹ = 50557781 is a prime.

Together with 50557781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50557781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25278891 + 25278892.

It is an arithmetic number, because the mean of its divisors is an integer number (25278892).

Almost surely, 2^50557783 is an apocalyptic number.

50557783 is a deficient number, since it is larger than the sum of its proper divisors (1).

50557783 is an equidigital number, since it uses as much as digits as its factorization.

50557783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 50557783 is about 7110.3996371512. The cubic root of 50557783 is about 369.7680138178.

The spelling of 50557783 in words is "fifty million, five hundred fifty-seven thousand, seven hundred eighty-three".