50533428 has 96 divisors (see below), whose sum is σ = 136604160. Its totient is φ = 14394240.

The previous prime is 50533397. The next prime is 50533429. The reversal of 50533428 is 82433505.

It is a junction number, because it is equal to n+sod(n) for n = 50533395 and 50533404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50533429) 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, 164451 + ... + 164757.

It is an arithmetic number, because the mean of its divisors is an integer number (1422960).

Almost surely, 2^50533428 is an apocalyptic number.

50533428 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50533428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080).

50533428 is an abundant number, since it is smaller than the sum of its proper divisors (86070732).

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

50533428 is a wasteful number, since it uses less digits than its factorization.

50533428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 50533428 is about 7108.6867985585. The cubic root of 50533428 is about 369.7086286554.

It can be divided in two parts, 505 and 33428, that added together give a palindrome (33933).

The spelling of 50533428 in words is "fifty million, five hundred thirty-three thousand, four hundred twenty-eight".