50728605 has 16 divisors (see below), whose sum is σ = 83054400. Its totient is φ = 26425728.

The previous prime is 50728597. The next prime is 50728609. The reversal of 50728605 is 50682705.

It is a happy number.

It is not a de Polignac number, because 50728605 - 2³ = 50728597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50728609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38680 + ... + 39969.

It is an arithmetic number, because the mean of its divisors is an integer number (5190900).

Almost surely, 2^50728605 is an apocalyptic number.

It is an amenable number.

50728605 is a deficient number, since it is larger than the sum of its proper divisors (32325795).

50728605 is a wasteful number, since it uses less digits than its factorization.

50728605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78700.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 50728605 is about 7122.4016314724. The cubic root of 50728605 is about 370.1839966277.

The spelling of 50728605 in words is "fifty million, seven hundred twenty-eight thousand, six hundred five".