52987165 has 32 divisors (see below), whose sum is σ = 79752960. Its totient is φ = 32832000.

The previous prime is 52987157. The next prime is 52987171. The reversal of 52987165 is 56178925.

It is not a de Polignac number, because 52987165 - 2³ = 52987157 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 87865 + ... + 88465.

It is an arithmetic number, because the mean of its divisors is an integer number (2492280).

Almost surely, 2^52987165 is an apocalyptic number.

52987165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52987165 is a deficient number, since it is larger than the sum of its proper divisors (26765795).

52987165 is a wasteful number, since it uses less digits than its factorization.

52987165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853.

The product of its digits is 151200, while the sum is 43.

The square root of 52987165 is about 7279.2283244861. The cubic root of 52987165 is about 375.5982510070.

The spelling of 52987165 in words is "fifty-two million, nine hundred eighty-seven thousand, one hundred sixty-five".