50428565 has 48 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 33580800.

The previous prime is 50428549. The next prime is 50428601. The reversal of 50428565 is 56582405.

It is not a de Polignac number, because 50428565 - 2⁴ = 50428549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471242 + ... + 471348.

It is an arithmetic number, because the mean of its divisors is an integer number (1508220).

Almost surely, 2^50428565 is an apocalyptic number.

50428565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50428565 is a deficient number, since it is larger than the sum of its proper divisors (21965995).

50428565 is a wasteful number, since it uses less digits than its factorization.

50428565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 50428565 is about 7101.3072740165. The cubic root of 50428565 is about 369.4527214599.

The spelling of 50428565 in words is "fifty million, four hundred twenty-eight thousand, five hundred sixty-five".