52100987 has 8 divisors (see below), whose sum is σ = 53864832. Its totient is φ = 50342400.

The previous prime is 52100981. The next prime is 52100989. The reversal of 52100987 is 78900125.

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-52100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52100981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37037 + ... + 38417.

It is an arithmetic number, because the mean of its divisors is an integer number (6733104).

Almost surely, 2^52100987 is an apocalyptic number.

52100987 is a deficient number, since it is larger than the sum of its proper divisors (1763845).

52100987 is a wasteful number, since it uses less digits than its factorization.

52100987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2629.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 52100987 is about 7218.1013431511. The cubic root of 52100987 is about 373.4925845005.

The spelling of 52100987 in words is "fifty-two million, one hundred thousand, nine hundred eighty-seven".