52728414 has 16 divisors (see below), whose sum is σ = 105533328. Its totient is φ = 17563392.

The previous prime is 52728391. The next prime is 52728451. The reversal of 52728414 is 41482725.

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 7 ways as a sum of consecutive naturals, for example, 9924 + ... + 14280.

It is an arithmetic number, because the mean of its divisors is an integer number (6595833).

Almost surely, 2^52728414 is an apocalyptic number.

52728414 is an abundant number, since it is smaller than the sum of its proper divisors (52804914).

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

52728414 is a wasteful number, since it uses less digits than its factorization.

52728414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6379.

The product of its digits is 17920, while the sum is 33.

The square root of 52728414 is about 7261.4333295845. The cubic root of 52728414 is about 374.9858696898.

The spelling of 52728414 in words is "fifty-two million, seven hundred twenty-eight thousand, four hundred fourteen".