52625538 has 96 divisors (see below), whose sum is σ = 139776000. Its totient is φ = 14521680.

The previous prime is 52625537. The next prime is 52625561. The reversal of 52625538 is 83552625.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (52625533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105213 + ... + 105711.

It is an arithmetic number, because the mean of its divisors is an integer number (1456000).

Almost surely, 2^52625538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52625538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69888000).

52625538 is an abundant number, since it is smaller than the sum of its proper divisors (87150462).

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

52625538 is a wasteful number, since it uses less digits than its factorization.

52625538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 542 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 52625538 is about 7254.3461455875. The cubic root of 52625538 is about 374.7418383142.

The spelling of 52625538 in words is "fifty-two million, six hundred twenty-five thousand, five hundred thirty-eight".