52316481 has 48 divisors (see below), whose sum is σ = 86221824. Its totient is φ = 27628128.

The previous prime is 52316471. The next prime is 52316489. The reversal of 52316481 is 18461325.

It is not a de Polignac number, because 52316481 - 2⁹ = 52315969 is a prime.

It is a super-2 number, since 2×52316481² = 5474028368446722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52316489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 507876 + ... + 507978.

It is an arithmetic number, because the mean of its divisors is an integer number (1796288).

Almost surely, 2^52316481 is an apocalyptic number.

It is an amenable number.

52316481 is a deficient number, since it is larger than the sum of its proper divisors (33905343).

52316481 is a wasteful number, since it uses less digits than its factorization.

52316481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 199 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 52316481 is about 7233.0132724889. The cubic root of 52316481 is about 374.0068082873.

The spelling of 52316481 in words is "fifty-two million, three hundred sixteen thousand, four hundred eighty-one".