52929987 has 24 divisors (see below), whose sum is σ = 78606528. Its totient is φ = 31418400.

The previous prime is 52929977. The next prime is 52930001. The reversal of 52929987 is 78992925.

It is not a de Polignac number, because 52929987 - 2¹⁸ = 52667843 is a prime.

It is a super-3 number, since 3×52929987³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (52929907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92412 + ... + 92982.

It is an arithmetic number, because the mean of its divisors is an integer number (3275272).

Almost surely, 2^52929987 is an apocalyptic number.

52929987 is a deficient number, since it is larger than the sum of its proper divisors (25676541).

52929987 is a wasteful number, since it uses less digits than its factorization.

52929987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691 (or 638 counting only the distinct ones).

The product of its digits is 816480, while the sum is 51.

The square root of 52929987 is about 7275.2997876376. The cubic root of 52929987 is about 375.4631007540.

It can be divided in two parts, 52 and 929987, that added together give a palindrome (930039).

The spelling of 52929987 in words is "fifty-two million, nine hundred twenty-nine thousand, nine hundred eighty-seven".