52439020 has 12 divisors (see below), whose sum is σ = 110121984. Its totient is φ = 20975600.

The previous prime is 52439017. The next prime is 52439029. The reversal of 52439020 is 2093425.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52439029) 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, 1310956 + ... + 1310995.

It is an arithmetic number, because the mean of its divisors is an integer number (9176832).

Almost surely, 2^52439020 is an apocalyptic number.

It is an amenable number.

52439020 is an abundant number, since it is smaller than the sum of its proper divisors (57682964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52439020 is a wasteful number, since it uses less digits than its factorization.

52439020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2621960 (or 2621958 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 52439020 is about 7241.4791306749. The cubic root of 52439020 is about 374.2985881343.

Subtracting from 52439020 its reverse (2093425), we obtain a triangular number (50345595 = T₁₀₀₃₄).

The spelling of 52439020 in words is "fifty-two million, four hundred thirty-nine thousand, twenty".