52921593 has 40 divisors (see below), whose sum is σ = 84157920. Its totient is φ = 33048000.

The previous prime is 52921591. The next prime is 52921621. The reversal of 52921593 is 39512925.

It is a happy number.

It is not a de Polignac number, because 52921593 - 2¹ = 52921591 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52921591) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 210718 + ... + 210968.

It is an arithmetic number, because the mean of its divisors is an integer number (2103948).

Almost surely, 2^52921593 is an apocalyptic number.

It is an amenable number.

52921593 is a deficient number, since it is larger than the sum of its proper divisors (31236327).

52921593 is a wasteful number, since it uses less digits than its factorization.

52921593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419 (or 410 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 52921593 is about 7274.7228813199. The cubic root of 52921593 is about 375.4432518677.

It can be divided in two parts, 529 and 21593, that added together give a palindrome (22122).

The spelling of 52921593 in words is "fifty-two million, nine hundred twenty-one thousand, five hundred ninety-three".