50553428 has 6 divisors (see below), whose sum is σ = 88468506. Its totient is φ = 25276712.

The previous prime is 50553421. The next prime is 50553457. The reversal of 50553428 is 82435505.

It can be written as a sum of positive squares in only one way, i.e., 40806544 + 9746884 = 6388^2 + 3122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50553394 and 50553403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50553421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319175 + ... + 6319182.

It is an arithmetic number, because the mean of its divisors is an integer number (14744751).

Almost surely, 2^50553428 is an apocalyptic number.

It is an amenable number.

50553428 is a deficient number, since it is larger than the sum of its proper divisors (37915078).

50553428 is a wasteful number, since it uses less digits than its factorization.

50553428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638361 (or 12638359 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 50553428 is about 7110.0933889788. The cubic root of 50553428 is about 369.7573963563.

The spelling of 50553428 in words is "fifty million, five hundred fifty-three thousand, four hundred twenty-eight".