50621493 has 16 divisors (see below), whose sum is σ = 72898560. Its totient is φ = 31061184.

The previous prime is 50621489. The next prime is 50621531. The reversal of 50621493 is 39412605.

It is not a de Polignac number, because 50621493 - 2² = 50621489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50621493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50621423) 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 15 ways as a sum of consecutive naturals, for example, 13243 + ... + 16631.

It is an arithmetic number, because the mean of its divisors is an integer number (4556160).

Almost surely, 2^50621493 is an apocalyptic number.

It is an amenable number.

50621493 is a deficient number, since it is larger than the sum of its proper divisors (22277067).

50621493 is a wasteful number, since it uses less digits than its factorization.

50621493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 50621493 is about 7114.8782842716. The cubic root of 50621493 is about 369.9232687244.

It can be divided in two parts, 5062 and 1493, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 50621493 in words is "fifty million, six hundred twenty-one thousand, four hundred ninety-three".