50991466 has 32 divisors (see below), whose sum is σ = 84602880. Its totient is φ = 22944000.

The previous prime is 50991463. The next prime is 50991491. The reversal of 50991466 is 66419905.

It is not an unprimeable number, because it can be changed into a prime (50991463) 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, 106215 + ... + 106693.

It is an arithmetic number, because the mean of its divisors is an integer number (2643840).

Almost surely, 2^50991466 is an apocalyptic number.

50991466 is a deficient number, since it is larger than the sum of its proper divisors (33611414).

50991466 is a wasteful number, since it uses less digits than its factorization.

50991466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 50991466 is about 7140.8309040335. The cubic root of 50991466 is about 370.8222909756.

The spelling of 50991466 in words is "fifty million, nine hundred ninety-one thousand, four hundred sixty-six".