52326487 has 4 divisors (see below), whose sum is σ = 52346736. Its totient is φ = 52306240.

The previous prime is 52326467. The next prime is 52326497. The reversal of 52326487 is 78462325.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52326487 is a prime.

It is a super-2 number, since 2×52326487² = 5476122483522338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52326427) 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, 5563 + ... + 11644.

It is an arithmetic number, because the mean of its divisors is an integer number (13086684).

Almost surely, 2^52326487 is an apocalyptic number.

52326487 is a deficient number, since it is larger than the sum of its proper divisors (20249).

52326487 is a wasteful number, since it uses less digits than its factorization.

52326487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20248.

The product of its digits is 80640, while the sum is 37.

The square root of 52326487 is about 7233.7049290111. The cubic root of 52326487 is about 374.0306508285.

The spelling of 52326487 in words is "fifty-two million, three hundred twenty-six thousand, four hundred eighty-seven".