52728877 has 8 divisors (see below), whose sum is σ = 53963136. Its totient is φ = 51499392.

The previous prime is 52728839. The next prime is 52728881. The reversal of 52728877 is 77882725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52728877 is a prime.

It is a super-2 number, since 2×52728877² = 5560668939362258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52728817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30798 + ... + 32464.

It is an arithmetic number, because the mean of its divisors is an integer number (6745392).

Almost surely, 2^52728877 is an apocalyptic number.

It is an amenable number.

52728877 is a deficient number, since it is larger than the sum of its proper divisors (1234259).

52728877 is a wasteful number, since it uses less digits than its factorization.

52728877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387.

The product of its digits is 439040, while the sum is 46.

The square root of 52728877 is about 7261.4652102726. The cubic root of 52728877 is about 374.9869672508.

The spelling of 52728877 in words is "fifty-two million, seven hundred twenty-eight thousand, eight hundred seventy-seven".