52616878 has 4 divisors (see below), whose sum is σ = 78925320. Its totient is φ = 26308438.

The previous prime is 52616873. The next prime is 52616891. The reversal of 52616878 is 87861625.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52616873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13154218 + ... + 13154221.

It is an arithmetic number, because the mean of its divisors is an integer number (19731330).

Almost surely, 2^52616878 is an apocalyptic number.

52616878 is a deficient number, since it is larger than the sum of its proper divisors (26308442).

52616878 is a wasteful number, since it uses less digits than its factorization.

52616878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26308441.

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

The square root of 52616878 is about 7253.7492374633. The cubic root of 52616878 is about 374.7212814866.

The spelling of 52616878 in words is "fifty-two million, six hundred sixteen thousand, eight hundred seventy-eight".