50645458 has 8 divisors (see below), whose sum is σ = 76149900. Its totient is φ = 25262160.

The previous prime is 50645449. The next prime is 50645459. The reversal of 50645458 is 85454605.

It can be written as a sum of positive squares in 2 ways, for example, as 40360609 + 10284849 = 6353^2 + 3207^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (50645459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29233 + ... + 30916.

Almost surely, 2^50645458 is an apocalyptic number.

50645458 is a deficient number, since it is larger than the sum of its proper divisors (25504442).

50645458 is a wasteful number, since it uses less digits than its factorization.

50645458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60572.

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 50645458 is about 7116.5622318645. The cubic root of 50645458 is about 369.9816353193.

The spelling of 50645458 in words is "fifty million, six hundred forty-five thousand, four hundred fifty-eight".