50744640 has 56 divisors (see below), whose sum is σ = 161117280. Its totient is φ = 13531648.

The previous prime is 50744621. The next prime is 50744651. The reversal of 50744640 is 4644705.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50744598 and 50744607.

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, 25470 + ... + 27389.

Almost surely, 2^50744640 is an apocalyptic number.

It is an amenable number.

50744640 is an abundant number, since it is smaller than the sum of its proper divisors (110372640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50744640 is a wasteful number, since it uses less digits than its factorization.

50744640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52879 (or 52869 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 50744640 is about 7123.5272162041. The cubic root of 50744640 is about 370.2229968135. Note that the first 3 decimals are identical.

The spelling of 50744640 in words is "fifty million, seven hundred forty-four thousand, six hundred forty".