52878616 has 16 divisors (see below), whose sum is σ = 113311440. Its totient is φ = 22662240.

The previous prime is 52878583. The next prime is 52878659. The reversal of 52878616 is 61687825.

52878616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52878616² = 5592296060150912, which contains 22 as substring.

It is a congruent number.

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, 472075 + ... + 472186.

It is an arithmetic number, because the mean of its divisors is an integer number (7081965).

Almost surely, 2^52878616 is an apocalyptic number.

52878616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

52878616 is an abundant number, since it is smaller than the sum of its proper divisors (60432824).

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

52878616 is a wasteful number, since it uses less digits than its factorization.

52878616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944274 (or 944270 counting only the distinct ones).

The product of its digits is 161280, while the sum is 43.

The square root of 52878616 is about 7271.7684231554. The cubic root of 52878616 is about 375.3415933354.

The spelling of 52878616 in words is "fifty-two million, eight hundred seventy-eight thousand, six hundred sixteen".