50515120 has 40 divisors (see below), whose sum is σ = 121242240. Its totient is φ = 19553280.

The previous prime is 50515097. The next prime is 50515121. The reversal of 50515120 is 2151505.

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

It is a super-2 number, since 2×50515120² = 5103554697228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50515121) 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, 7705 + ... + 12664.

It is an arithmetic number, because the mean of its divisors is an integer number (3031056).

Almost surely, 2^50515120 is an apocalyptic number.

It is an amenable number.

50515120 is an abundant number, since it is smaller than the sum of its proper divisors (70727120).

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

50515120 is a wasteful number, since it uses less digits than its factorization.

50515120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20413 (or 20407 counting only the distinct ones).

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 50515120 is about 7107.3989616455. The cubic root of 50515120 is about 369.6639754201.

Adding to 50515120 its reverse (2151505), we get a palindrome (52666625).

It can be divided in two parts, 505 and 15120, that added together give a 6-th power (15625 = 5⁶).

The spelling of 50515120 in words is "fifty million, five hundred fifteen thousand, one hundred twenty".