52388400511 has 4 divisors (see below), whose sum is σ = 53376860952. Its totient is φ = 51399940072.

The previous prime is 52388400479. The next prime is 52388400517. The reversal of 52388400511 is 11500488325.

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 52388400511 - 2⁵ = 52388400479 is a prime.

It is a super-2 number, since 2×52388400511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52388400517) 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, 494230141 + ... + 494230246.

It is an arithmetic number, because the mean of its divisors is an integer number (13344215238).

Almost surely, 2^52388400511 is an apocalyptic number.

52388400511 is a deficient number, since it is larger than the sum of its proper divisors (988460441).

52388400511 is an equidigital number, since it uses as much as digits as its factorization.

52388400511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988460440.

The product of its (nonzero) digits is 38400, while the sum is 37.

Adding to 52388400511 its reverse (11500488325), we get a palindrome (63888888836).

The spelling of 52388400511 in words is "fifty-two billion, three hundred eighty-eight million, four hundred thousand, five hundred eleven".