50113320 has 128 divisors (see below), whose sum is σ = 159805440. Its totient is φ = 12545280.

The previous prime is 50113307. The next prime is 50113321. The reversal of 50113320 is 2331105.

It is a happy number.

It is a super-2 number, since 2×50113320² = 5022689682844800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 50113320.

It is not an unprimeable number, because it can be changed into a prime (50113321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184785 + ... + 185055.

It is an arithmetic number, because the mean of its divisors is an integer number (1248480).

Almost surely, 2^50113320 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 50113320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79902720).

50113320 is an abundant number, since it is smaller than the sum of its proper divisors (109692120).

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

50113320 is a wasteful number, since it uses less digits than its factorization.

50113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 371 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 50113320 is about 7079.0762109190. The cubic root of 50113320 is about 368.6812561693.

Adding to 50113320 its reverse (2331105), we get a palindrome (52444425).

The spelling of 50113320 in words is "fifty million, one hundred thirteen thousand, three hundred twenty".