50361312 has 48 divisors (see below), whose sum is σ = 132838272. Its totient is φ = 16705920.

The previous prime is 50361301. The next prime is 50361317. The reversal of 50361312 is 21316305.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×50361312² = 5072523492722688, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50361317) 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, 20637 + ... + 22947.

It is an arithmetic number, because the mean of its divisors is an integer number (2767464).

Almost surely, 2^50361312 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 50361312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66419136).

50361312 is an abundant number, since it is smaller than the sum of its proper divisors (82476960).

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

50361312 is a wasteful number, since it uses less digits than its factorization.

50361312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2543 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 50361312 is about 7096.5704393038. The cubic root of 50361312 is about 369.2884107659.

Adding to 50361312 its reverse (21316305), we get a palindrome (71677617).

The spelling of 50361312 in words is "fifty million, three hundred sixty-one thousand, three hundred twelve".