50615320 has 64 divisors (see below), whose sum is σ = 133358400. Its totient is φ = 16926720.

The previous prime is 50615311. The next prime is 50615329. The reversal of 50615320 is 2351605.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50615311) and next prime (50615329).

It is a junction number, because it is equal to n+sod(n) for n = 50615291 and 50615300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50615329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9276 + ... + 13684.

It is an arithmetic number, because the mean of its divisors is an integer number (2083725).

Almost surely, 2^50615320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50615320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66679200).

50615320 is an abundant number, since it is smaller than the sum of its proper divisors (82743080).

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

50615320 is a wasteful number, since it uses less digits than its factorization.

50615320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 50615320 is about 7114.4444617974. Note that the first 4 decimals coincide. The cubic root of 50615320 is about 369.9082314413.

Adding to 50615320 its reverse (2351605), we get a palindrome (52966925).

The spelling of 50615320 in words is "fifty million, six hundred fifteen thousand, three hundred twenty".