50401320 has 64 divisors (see below), whose sum is σ = 151873920. Its totient is φ = 13380864.

The previous prime is 50401313. The next prime is 50401331. The reversal of 50401320 is 2310405.

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 50401320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30762 + ... + 32358.

It is an arithmetic number, because the mean of its divisors is an integer number (2373030).

Almost surely, 2^50401320 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 50401320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75936960).

50401320 is an abundant number, since it is smaller than the sum of its proper divisors (101472600).

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

50401320 is a wasteful number, since it uses less digits than its factorization.

50401320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 50401320 is about 7099.3887060789. The cubic root of 50401320 is about 369.3861748332.

Adding to 50401320 its reverse (2310405), we get a palindrome (52711725).

It can be divided in two parts, 50401 and 320, that added together give a triangular number (50721 = T₃₁₈).

The spelling of 50401320 in words is "fifty million, four hundred one thousand, three hundred twenty".