50085640 has 64 divisors (see below), whose sum is σ = 124416000. Its totient is φ = 17994240.

The previous prime is 50085619. The next prime is 50085701. The reversal of 50085640 is 4658005.

It is a junction number, because it is equal to n+sod(n) for n = 50085599 and 50085608.

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, 38521 + ... + 39799.

It is an arithmetic number, because the mean of its divisors is an integer number (1944000).

Almost surely, 2^50085640 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 50085640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62208000).

50085640 is an abundant number, since it is smaller than the sum of its proper divisors (74330360).

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

50085640 is a wasteful number, since it uses less digits than its factorization.

50085640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 50085640 is about 7077.1208835232. The cubic root of 50085640 is about 368.6133635301.

It can be divided in two parts, 5008 and 5640, that added together give a cube (10648 = 22³).

The spelling of 50085640 in words is "fifty million, eighty-five thousand, six hundred forty".