52748538 has 8 divisors (see below), whose sum is σ = 105497088. Its totient is φ = 17582844.

The previous prime is 52748519. The next prime is 52748551. The reversal of 52748538 is 83584725.

52748538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

52748538 is an admirable number.

It is a super-2 number, since 2×52748538² = 5564816522274888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52748538.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4395706 + ... + 4395717.

It is an arithmetic number, because the mean of its divisors is an integer number (13187136).

Almost surely, 2^52748538 is an apocalyptic number.

52748538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

52748538 is a wasteful number, since it uses less digits than its factorization.

52748538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791428.

The product of its digits is 268800, while the sum is 42.

The square root of 52748538 is about 7262.8188742388. The cubic root of 52748538 is about 375.0335685505.

The spelling of 52748538 in words is "fifty-two million, seven hundred forty-eight thousand, five hundred thirty-eight".