50391043 has 16 divisors (see below), whose sum is σ = 54867456. Its totient is φ = 46103680.

The previous prime is 50391037. The next prime is 50391079. The reversal of 50391043 is 34019305.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50391043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50390999 and 50391017.

It is not an unprimeable number, because it can be changed into a prime (50391013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99930 + ... + 100432.

It is an arithmetic number, because the mean of its divisors is an integer number (3429216).

Almost surely, 2^50391043 is an apocalyptic number.

50391043 is a deficient number, since it is larger than the sum of its proper divisors (4476413).

50391043 is a wasteful number, since it uses less digits than its factorization.

50391043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 50391043 is about 7098.6648744676. The cubic root of 50391043 is about 369.3610667622.

The spelling of 50391043 in words is "fifty million, three hundred ninety-one thousand, forty-three".