50678644 has 24 divisors (see below), whose sum is σ = 90461448. Its totient is φ = 24837120.

The previous prime is 50678627. The next prime is 50678651. The reversal of 50678644 is 44687605.

It can be written as a sum of positive squares in 4 ways, for example, as 14822500 + 35856144 = 3850^2 + 5988^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50678597 and 50678606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57084 + ... + 57964.

It is an arithmetic number, because the mean of its divisors is an integer number (3769227).

Almost surely, 2^50678644 is an apocalyptic number.

It is an amenable number.

50678644 is a deficient number, since it is larger than the sum of its proper divisors (39782804).

50678644 is a wasteful number, since it uses less digits than its factorization.

50678644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 50678644 is about 7118.8934533395. The cubic root of 50678644 is about 370.0624292029.

The spelling of 50678644 in words is "fifty million, six hundred seventy-eight thousand, six hundred forty-four".