50115512 has 8 divisors (see below), whose sum is σ = 93966600. Its totient is φ = 25057752.

The previous prime is 50115503. The next prime is 50115517. The reversal of 50115512 is 21551105.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3132212 + ... + 3132227.

It is an arithmetic number, because the mean of its divisors is an integer number (11745825).

Almost surely, 2^50115512 is an apocalyptic number.

It is an amenable number.

50115512 is a deficient number, since it is larger than the sum of its proper divisors (43851088).

50115512 is a wasteful number, since it uses less digits than its factorization.

50115512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6264445 (or 6264441 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 50115512 is about 7079.2310316870. The cubic root of 50115512 is about 368.6866315700.

Adding to 50115512 its reverse (21551105), we get a palindrome (71666617).

The spelling of 50115512 in words is "fifty million, one hundred fifteen thousand, five hundred twelve".