52303511 has 4 divisors (see below), whose sum is σ = 56326872. Its totient is φ = 48280152.

The previous prime is 52303481. The next prime is 52303513. The reversal of 52303511 is 11530325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52303511 - 2¹⁴ = 52287127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52303513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2011661 + ... + 2011686.

It is an arithmetic number, because the mean of its divisors is an integer number (14081718).

Almost surely, 2^52303511 is an apocalyptic number.

52303511 is a deficient number, since it is larger than the sum of its proper divisors (4023361).

52303511 is a wasteful number, since it uses less digits than its factorization.

52303511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023360.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 52303511 is about 7232.1166334622. The cubic root of 52303511 is about 373.9758985298.

Adding to 52303511 its reverse (11530325), we get a palindrome (63833836).

The spelling of 52303511 in words is "fifty-two million, three hundred three thousand, five hundred eleven".