50713640 has 64 divisors (see below), whose sum is σ = 117504000. Its totient is φ = 19692288.

The previous prime is 50713591. The next prime is 50713651. The reversal of 50713640 is 4631705.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340286 + ... + 340434.

It is an arithmetic number, because the mean of its divisors is an integer number (1836000).

Almost surely, 2^50713640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50713640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58752000).

50713640 is an abundant number, since it is smaller than the sum of its proper divisors (66790360).

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

50713640 is a wasteful number, since it uses less digits than its factorization.

50713640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 350 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 50713640 is about 7121.3509954221. The cubic root of 50713640 is about 370.1475914716.

The spelling of 50713640 in words is "fifty million, seven hundred thirteen thousand, six hundred forty".