52187941 has 4 divisors (see below), whose sum is σ = 56202412. Its totient is φ = 48173472.

The previous prime is 52187929. The next prime is 52187999. The reversal of 52187941 is 14978125.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2414916 + 49773025 = 1554^2 + 7055^2 .

It is a cyclic number.

It is not a de Polignac number, because 52187941 - 2²³ = 43799333 is a prime.

It is a super-3 number, since 3×52187941³ (a number of 24 digits) contains 333 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 52187941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52187041) 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, 2007216 + ... + 2007241.

It is an arithmetic number, because the mean of its divisors is an integer number (14050603).

Almost surely, 2^52187941 is an apocalyptic number.

It is an amenable number.

52187941 is a deficient number, since it is larger than the sum of its proper divisors (4014471).

52187941 is a wasteful number, since it uses less digits than its factorization.

52187941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014470.

The product of its digits is 20160, while the sum is 37.

The square root of 52187941 is about 7224.1221612041. The cubic root of 52187941 is about 373.7002493034.

The spelling of 52187941 in words is "fifty-two million, one hundred eighty-seven thousand, nine hundred forty-one".