50389450 has 12 divisors (see below), whose sum is σ = 93724470. Its totient is φ = 20155760.

The previous prime is 50389447. The next prime is 50389457. The reversal of 50389450 is 5498305.

It can be written as a sum of positive squares in 3 ways, for example, as 28869129 + 21520321 = 5373^2 + 4639^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50389457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 503845 + ... + 503944.

Almost surely, 2^50389450 is an apocalyptic number.

50389450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50389450 is a deficient number, since it is larger than the sum of its proper divisors (43335020).

50389450 is a wasteful number, since it uses less digits than its factorization.

50389450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007801 (or 1007796 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 50389450 is about 7098.5526693827. The cubic root of 50389450 is about 369.3571745468.

The spelling of 50389450 in words is "fifty million, three hundred eighty-nine thousand, four hundred fifty".