52003641 has 16 divisors (see below), whose sum is σ = 73402560. Its totient is φ = 32692800.

The previous prime is 52003639. The next prime is 52003669. The reversal of 52003641 is 14630025.

It is a happy number.

It is not a de Polignac number, because 52003641 - 2¹ = 52003639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52003631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210 + ... + 10691.

It is an arithmetic number, because the mean of its divisors is an integer number (4587660).

Almost surely, 2^52003641 is an apocalyptic number.

It is an amenable number.

52003641 is a deficient number, since it is larger than the sum of its proper divisors (21398919).

52003641 is a wasteful number, since it uses less digits than its factorization.

52003641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13976.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 52003641 is about 7211.3550044357. The cubic root of 52003641 is about 373.2598270637.

Adding to 52003641 its reverse (14630025), we get a palindrome (66633666).

The spelling of 52003641 in words is "fifty-two million, three thousand, six hundred forty-one".