52138324 has 24 divisors (see below), whose sum is σ = 104547968. Its totient is φ = 22286880.

The previous prime is 52138319. The next prime is 52138343. The reversal of 52138324 is 42383125.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 52138292 and 52138301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9577 + ... + 13999.

Almost surely, 2^52138324 is an apocalyptic number.

It is an amenable number.

52138324 is an abundant number, since it is smaller than the sum of its proper divisors (52409644).

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

52138324 is a wasteful number, since it uses less digits than its factorization.

52138324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4853 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 52138324 is about 7220.6872249115. The cubic root of 52138324 is about 373.5817815490.

The spelling of 52138324 in words is "fifty-two million, one hundred thirty-eight thousand, three hundred twenty-four".