50521528 has 8 divisors (see below), whose sum is σ = 94727880. Its totient is φ = 25260760.

The previous prime is 50521487. The next prime is 50521529. The reversal of 50521528 is 82512505.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50521496 and 50521505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50521529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157588 + ... + 3157603.

It is an arithmetic number, because the mean of its divisors is an integer number (11840985).

Almost surely, 2^50521528 is an apocalyptic number.

It is an amenable number.

50521528 is a deficient number, since it is larger than the sum of its proper divisors (44206352).

50521528 is a wasteful number, since it uses less digits than its factorization.

50521528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315197 (or 6315193 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 50521528 is about 7107.8497451761. The cubic root of 50521528 is about 369.6796057674.

The spelling of 50521528 in words is "fifty million, five hundred twenty-one thousand, five hundred twenty-eight".