52556331 has 4 divisors (see below), whose sum is σ = 70075112. Its totient is φ = 35037552.

The previous prime is 52556327. The next prime is 52556353. The reversal of 52556331 is 13365525.

52556331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 52556331 - 2² = 52556327 is a prime.

It is a super-2 number, since 2×52556331² = 5524335856363122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52556321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8759386 + ... + 8759391.

It is an arithmetic number, because the mean of its divisors is an integer number (17518778).

Almost surely, 2^52556331 is an apocalyptic number.

52556331 is a deficient number, since it is larger than the sum of its proper divisors (17518781).

52556331 is a wasteful number, since it uses less digits than its factorization.

52556331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17518780.

The product of its digits is 13500, while the sum is 30.

The square root of 52556331 is about 7249.5745392402. The cubic root of 52556331 is about 374.5774939262.

The spelling of 52556331 in words is "fifty-two million, five hundred fifty-six thousand, three hundred thirty-one".