52238538 has 48 divisors (see below), whose sum is σ = 124203456. Its totient is φ = 15736320.

The previous prime is 52238533. The next prime is 52238539. The reversal of 52238538 is 83583225.

It is not an unprimeable number, because it can be changed into a prime (52238533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37531 + ... + 38897.

It is an arithmetic number, because the mean of its divisors is an integer number (2587572).

Almost surely, 2^52238538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52238538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62101728).

52238538 is an abundant number, since it is smaller than the sum of its proper divisors (71964918).

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

52238538 is a wasteful number, since it uses less digits than its factorization.

52238538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579 (or 1576 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 52238538 is about 7227.6232607960. The cubic root of 52238538 is about 373.8209796476.

It can be divided in two parts, 522 and 38538, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 52238538 in words is "fifty-two million, two hundred thirty-eight thousand, five hundred thirty-eight".