50031040 has 28 divisors (see below), whose sum is σ = 119137176. Its totient is φ = 20012288.

The previous prime is 50031031. The next prime is 50031053. The reversal of 50031040 is 4013005.

It is a self number, because there is not a number n which added to its sum of digits gives 50031040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77854 + ... + 78493.

Almost surely, 2^50031040 is an apocalyptic number.

It is an amenable number.

50031040 is an abundant number, since it is smaller than the sum of its proper divisors (69106136).

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

50031040 is a wasteful number, since it uses less digits than its factorization.

50031040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156364 (or 156354 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 50031040 is about 7073.2623307778. The cubic root of 50031040 is about 368.4793689857.

Adding to 50031040 its reverse (4013005), we get a palindrome (54044045).

The spelling of 50031040 in words is "fifty million, thirty-one thousand, forty".