52378884 has 18 divisors (see below), whose sum is σ = 132402270. Its totient is φ = 17459616.

The previous prime is 52378867. The next prime is 52378891. The reversal of 52378884 is 48887325.

52378884 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 3686400 = 6978^2 + 1920^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×52378884³ (a number of 24 digits) contains 333 as substring.

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 5 ways as a sum of consecutive naturals, for example, 727449 + ... + 727520.

Almost surely, 2^52378884 is an apocalyptic number.

It is an amenable number.

52378884 is an abundant number, since it is smaller than the sum of its proper divisors (80023386).

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

52378884 is a wasteful number, since it uses less digits than its factorization.

52378884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454979 (or 1454974 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 52378884 is about 7237.3257491977. The cubic root of 52378884 is about 374.1554540737.

The spelling of 52378884 in words is "fifty-two million, three hundred seventy-eight thousand, eight hundred eighty-four".