50428403 has 4 divisors (see below), whose sum is σ = 50483160. Its totient is φ = 50373648.

The previous prime is 50428349. The next prime is 50428429. The reversal of 50428403 is 30482405.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30482405 = 5 ⋅6096481.

It is a cyclic number.

It is not a de Polignac number, because 50428403 - 2²² = 46234099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50428453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25973 + ... + 27846.

It is an arithmetic number, because the mean of its divisors is an integer number (12620790).

Almost surely, 2^50428403 is an apocalyptic number.

50428403 is a deficient number, since it is larger than the sum of its proper divisors (54757).

50428403 is an equidigital number, since it uses as much as digits as its factorization.

50428403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54756.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 50428403 is about 7101.2958676568. The cubic root of 50428403 is about 369.4523258415.

The spelling of 50428403 in words is "fifty million, four hundred twenty-eight thousand, four hundred three".