52445931 has 8 divisors (see below), whose sum is σ = 70283664. Its totient is φ = 34786080.

The previous prime is 52445881. The next prime is 52445933. The reversal of 52445931 is 13954425.

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

It is not a de Polignac number, because 52445931 - 2⁷ = 52445803 is a prime.

It is a super-4 number, since 4×52445931⁴ (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 52445892 and 52445901.

It is not an unprimeable number, because it can be changed into a prime (52445933) 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 7 ways as a sum of consecutive naturals, for example, 43780 + ... + 44961.

It is an arithmetic number, because the mean of its divisors is an integer number (8785458).

Almost surely, 2^52445931 is an apocalyptic number.

52445931 is a deficient number, since it is larger than the sum of its proper divisors (17837733).

52445931 is a wasteful number, since it uses less digits than its factorization.

52445931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88941.

The product of its digits is 21600, while the sum is 33.

The square root of 52445931 is about 7241.9562964713. The cubic root of 52445931 is about 374.3150304954.

It can be divided in two parts, 5244 and 5931, that added together give a triangular number (11175 = T₁₄₉).

The spelling of 52445931 in words is "fifty-two million, four hundred forty-five thousand, nine hundred thirty-one".