50713840 has 20 divisors (see below), whose sum is σ = 117909864. Its totient is φ = 20285504.

The previous prime is 50713829. The next prime is 50713849. The reversal of 50713840 is 4831705.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 50713799 and 50713808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50713849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316882 + ... + 317041.

Almost surely, 2^50713840 is an apocalyptic number.

It is an amenable number.

50713840 is an abundant number, since it is smaller than the sum of its proper divisors (67196024).

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

50713840 is a wasteful number, since it uses less digits than its factorization.

50713840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633936 (or 633930 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 50713840 is about 7121.3650376876. The cubic root of 50713840 is about 370.1480780561.

It can be divided in two parts, 5071 and 3840, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 50713840 in words is "fifty million, seven hundred thirteen thousand, eight hundred forty".