52752878 has 4 divisors (see below), whose sum is σ = 79129320. Its totient is φ = 26376438.

The previous prime is 52752877. The next prime is 52752893. The reversal of 52752878 is 87825725.

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

It is a super-2 number, since 2×52752878² = 5565732274565768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52752877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13188218 + ... + 13188221.

It is an arithmetic number, because the mean of its divisors is an integer number (19782330).

Almost surely, 2^52752878 is an apocalyptic number.

52752878 is a deficient number, since it is larger than the sum of its proper divisors (26376442).

52752878 is a wasteful number, since it uses less digits than its factorization.

52752878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26376441.

The product of its digits is 313600, while the sum is 44.

The square root of 52752878 is about 7263.1176501555. The cubic root of 52752878 is about 375.0438538343.

The spelling of 52752878 in words is "fifty-two million, seven hundred fifty-two thousand, eight hundred seventy-eight".