50561328 has 20 divisors (see below), whose sum is σ = 130616888. Its totient is φ = 16853760.

The previous prime is 50561317. The next prime is 50561339. The reversal of 50561328 is 82316505.

It is an interprime number because it is at equal distance from previous prime (50561317) and next prime (50561339).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 50561295 and 50561304.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526633 + ... + 526728.

Almost surely, 2^50561328 is an apocalyptic number.

It is an amenable number.

50561328 is an abundant number, since it is smaller than the sum of its proper divisors (80055560).

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

50561328 is a wasteful number, since it uses less digits than its factorization.

50561328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053372 (or 1053366 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 50561328 is about 7110.6489155351. The cubic root of 50561328 is about 369.7766560544.

The spelling of 50561328 in words is "fifty million, five hundred sixty-one thousand, three hundred twenty-eight".