50528556 has 192 divisors, whose sum is σ = 156643200. Its totient is φ = 13934592.

The previous prime is 50528551. The next prime is 50528567. The reversal of 50528556 is 65582505.

50528556 is a `hidden beast` number, since 50 + 52 + 8 + 556 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 50528556.

It is not an unprimeable number, because it can be changed into a prime (50528551) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 692136 + ... + 692208.

It is an arithmetic number, because the mean of its divisors is an integer number (815850).

Almost surely, 2^50528556 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 50528556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78321600).

50528556 is an abundant number, since it is smaller than the sum of its proper divisors (106114644).

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

50528556 is a wasteful number, since it uses less digits than its factorization.

50528556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 50528556 is about 7108.3441109727. The cubic root of 50528556 is about 369.6967468945.

The spelling of 50528556 in words is "fifty million, five hundred twenty-eight thousand, five hundred fifty-six".