52471839 has 8 divisors (see below), whose sum is σ = 79957120. Its totient is φ = 29983896.

The previous prime is 52471831. The next prime is 52471847. The reversal of 52471839 is 93817425.

It is an interprime number because it is at equal distance from previous prime (52471831) and next prime (52471847).

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

It is not a de Polignac number, because 52471839 - 2³ = 52471831 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52471797 and 52471806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52471831) 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, 1249309 + ... + 1249350.

It is an arithmetic number, because the mean of its divisors is an integer number (9994640).

Almost surely, 2^52471839 is an apocalyptic number.

52471839 is a deficient number, since it is larger than the sum of its proper divisors (27485281).

52471839 is a wasteful number, since it uses less digits than its factorization.

52471839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498669.

The product of its digits is 60480, while the sum is 39.

The square root of 52471839 is about 7243.7448188075. The cubic root of 52471839 is about 374.3766568675.

The spelling of 52471839 in words is "fifty-two million, four hundred seventy-one thousand, eight hundred thirty-nine".