52503121 has 8 divisors (see below), whose sum is σ = 57398688. Its totient is φ = 47628000.

The previous prime is 52503109. The next prime is 52503149. The reversal of 52503121 is 12130525.

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

It is a cyclic number.

It is not a de Polignac number, because 52503121 - 2¹⁷ = 52372049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52503221) 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, 541 + ... + 10261.

It is an arithmetic number, because the mean of its divisors is an integer number (7174836).

Almost surely, 2^52503121 is an apocalyptic number.

It is an amenable number.

52503121 is a deficient number, since it is larger than the sum of its proper divisors (4895567).

52503121 is a wasteful number, since it uses less digits than its factorization.

52503121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 52503121 is about 7245.9037393551. The cubic root of 52503121 is about 374.4510391411.

Adding to 52503121 its reverse (12130525), we get a palindrome (64633646).

The spelling of 52503121 in words is "fifty-two million, five hundred three thousand, one hundred twenty-one".