52028987 has 8 divisors (see below), whose sum is σ = 54840240. Its totient is φ = 49285600.

The previous prime is 52028983. The next prime is 52028989. The reversal of 52028987 is 78982025.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52028987 - 2² = 52028983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52028981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15389 + ... + 18462.

It is an arithmetic number, because the mean of its divisors is an integer number (6855030).

Almost surely, 2^52028987 is an apocalyptic number.

52028987 is a deficient number, since it is larger than the sum of its proper divisors (2811253).

52028987 is a wasteful number, since it uses less digits than its factorization.

52028987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33933.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 52028987 is about 7213.1121577305. The cubic root of 52028987 is about 373.3204581196.

The spelling of 52028987 in words is "fifty-two million, twenty-eight thousand, nine hundred eighty-seven".