50215120 has 40 divisors (see below), whose sum is σ = 117302760. Its totient is φ = 19991040.

The previous prime is 50215117. The next prime is 50215169. The reversal of 50215120 is 2151205.

It can be written as a sum of positive squares in 4 ways, for example, as 10575504 + 39639616 = 3252^2 + 6296^2 .

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

It is a super-2 number, since 2×50215120² = 5043116553228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 50215094 and 50215103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16950 + ... + 19690.

It is an arithmetic number, because the mean of its divisors is an integer number (2932569).

Almost surely, 2^50215120 is an apocalyptic number.

It is an amenable number.

50215120 is an abundant number, since it is smaller than the sum of its proper divisors (67087640).

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

50215120 is a wasteful number, since it uses less digits than its factorization.

50215120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2983 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 50215120 is about 7086.2627667904. The cubic root of 50215120 is about 368.9307331984.

Adding to 50215120 its reverse (2151205), we get a palindrome (52366325).

The spelling of 50215120 in words is "fifty million, two hundred fifteen thousand, one hundred twenty".