50081520 has 40 divisors (see below), whose sum is σ = 155253456. Its totient is φ = 13355008.

The previous prime is 50081519. The next prime is 50081527. The reversal of 50081520 is 2518005.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50081527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104097 + ... + 104576.

Almost surely, 2^50081520 is an apocalyptic number.

It is an amenable number.

50081520 is an abundant number, since it is smaller than the sum of its proper divisors (105171936).

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

50081520 is a wasteful number, since it uses less digits than its factorization.

50081520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208689 (or 208683 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 50081520 is about 7076.8297987164. The cubic root of 50081520 is about 368.6032559842.

Adding to 50081520 its reverse (2518005), we get a palindrome (52599525).

The spelling of 50081520 in words is "fifty million, eighty-one thousand, five hundred twenty".