50454931 has 4 divisors (see below), whose sum is σ = 50746752. Its totient is φ = 50163112.

The previous prime is 50454917. The next prime is 50454947. The reversal of 50454931 is 13945405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13945405 = 5 ⋅2789081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50454931 is a prime.

It is a super-2 number, since 2×50454931² = 5091400124429522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50454893 and 50454902.

It is not an unprimeable number, because it can be changed into a prime (50454961) 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, 145651 + ... + 145996.

It is an arithmetic number, because the mean of its divisors is an integer number (12686688).

Almost surely, 2^50454931 is an apocalyptic number.

50454931 is a deficient number, since it is larger than the sum of its proper divisors (291821).

50454931 is a wasteful number, since it uses less digits than its factorization.

50454931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291820.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 50454931 is about 7103.1634501819. The cubic root of 50454931 is about 369.5170982888.

The spelling of 50454931 in words is "fifty million, four hundred fifty-four thousand, nine hundred thirty-one".