50133420 has 72 divisors (see below), whose sum is σ = 154378224. Its totient is φ = 13166208.

The previous prime is 50133401. The next prime is 50133427. The reversal of 50133420 is 2433105.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50133393 and 50133402.

It is not an unprimeable number, because it can be changed into a prime (50133427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9982 + ... + 14138.

It is an arithmetic number, because the mean of its divisors is an integer number (2144142).

Almost surely, 2^50133420 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 50133420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77189112).

50133420 is an abundant number, since it is smaller than the sum of its proper divisors (104244804).

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

50133420 is a wasteful number, since it uses less digits than its factorization.

50133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50133420 is about 7080.4957453557. The cubic root of 50133420 is about 368.7305411545.

Adding to 50133420 its reverse (2433105), we get a palindrome (52566525).

The spelling of 50133420 in words is "fifty million, one hundred thirty-three thousand, four hundred twenty".