52645587 has 8 divisors (see below), whose sum is σ = 70319760. Its totient is φ = 35034240.

The previous prime is 52645531. The next prime is 52645609. The reversal of 52645587 is 78554625.

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

It is a de Polignac number, because none of the positive numbers 2^k-52645587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52645507) 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, 13714 + ... + 17127.

It is an arithmetic number, because the mean of its divisors is an integer number (8789970).

Almost surely, 2^52645587 is an apocalyptic number.

52645587 is a deficient number, since it is larger than the sum of its proper divisors (17674173).

52645587 is a wasteful number, since it uses less digits than its factorization.

52645587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31413.

The product of its digits is 336000, while the sum is 42.

The square root of 52645587 is about 7255.7278752721. The cubic root of 52645587 is about 374.7894213287.

The spelling of 52645587 in words is "fifty-two million, six hundred forty-five thousand, five hundred eighty-seven".