52672381 has 16 divisors (see below), whose sum is σ = 56044800. Its totient is φ = 49428288.

The previous prime is 52672363. The next prime is 52672421. The reversal of 52672381 is 18327625.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 52672381 - 2⁹ = 52671869 is a prime.

It is a super-2 number, since 2×52672381² = 5548759440418322, 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 (52672181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190015 + ... + 190291.

It is an arithmetic number, because the mean of its divisors is an integer number (3502800).

Almost surely, 2^52672381 is an apocalyptic number.

It is an amenable number.

52672381 is a deficient number, since it is larger than the sum of its proper divisors (3372419).

52672381 is a wasteful number, since it uses less digits than its factorization.

52672381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468.

The product of its digits is 20160, while the sum is 34.

The square root of 52672381 is about 7257.5740437146. The cubic root of 52672381 is about 374.8529936378.

The spelling of 52672381 in words is "fifty-two million, six hundred seventy-two thousand, three hundred eighty-one".