52763581 has 8 divisors (see below), whose sum is σ = 58655744. Its totient is φ = 47133360.

The previous prime is 52763573. The next prime is 52763603. The reversal of 52763581 is 18536725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52763581 - 2³ = 52763573 is a prime.

It is a super-2 number, since 2×52763581² = 5567990959887122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52763581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52763531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65061 + ... + 65866.

It is an arithmetic number, because the mean of its divisors is an integer number (7331968).

Almost surely, 2^52763581 is an apocalyptic number.

It is an amenable number.

52763581 is a deficient number, since it is larger than the sum of its proper divisors (5892163).

52763581 is a wasteful number, since it uses less digits than its factorization.

52763581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130971.

The product of its digits is 50400, while the sum is 37.

The square root of 52763581 is about 7263.8544175940. The cubic root of 52763581 is about 375.0692162605.

The spelling of 52763581 in words is "fifty-two million, seven hundred sixty-three thousand, five hundred eighty-one".