50112513 has 30 divisors (see below), whose sum is σ = 82299602. Its totient is φ = 30365280.

The previous prime is 50112511. The next prime is 50112527. The reversal of 50112513 is 31521105.

It can be written as a sum of positive squares in only one way, i.e., 27531009 + 22581504 = 5247^2 + 4752^2 .

It is not a de Polignac number, because 50112513 - 2¹ = 50112511 is a prime.

It is a super-2 number, since 2×50112513² = 5022527918350338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50112511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7245 + ... + 12357.

Almost surely, 2^50112513 is an apocalyptic number.

It is an amenable number.

50112513 is a deficient number, since it is larger than the sum of its proper divisors (32187089).

50112513 is a wasteful number, since it uses less digits than its factorization.

50112513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5147 (or 5127 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 50112513 is about 7079.0192117270. The cubic root of 50112513 is about 368.6792771388.

Adding to 50112513 its reverse (31521105), we get a palindrome (81633618).

It can be divided in two parts, 50112 and 513, that added together give a 4-th power (50625 = 15⁴).

The spelling of 50112513 in words is "fifty million, one hundred twelve thousand, five hundred thirteen".