50011388 has 12 divisors (see below), whose sum is σ = 100022832. Its totient is φ = 21433440.

The previous prime is 50011387. The next prime is 50011391. The reversal of 50011388 is 88311005.

50011388 is an admirable number.

It is a super-2 number, since 2×50011388² = 5002277859373088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50011387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 893033 + ... + 893088.

It is an arithmetic number, because the mean of its divisors is an integer number (8335236).

Almost surely, 2^50011388 is an apocalyptic number.

It is an amenable number.

50011388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50011388 is a wasteful number, since it uses less digits than its factorization.

50011388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786132 (or 1786130 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 50011388 is about 7071.8730192220. The cubic root of 50011388 is about 368.4311169080.

The spelling of 50011388 in words is "fifty million, eleven thousand, three hundred eighty-eight".