52878267 has 24 divisors (see below), whose sum is σ = 82597424. Its totient is φ = 32405184.

The previous prime is 52878257. The next prime is 52878269. The reversal of 52878267 is 76287825.

It is not a de Polignac number, because 52878267 - 2⁴ = 52878251 is a prime.

It is a super-2 number, since 2×52878267² = 5592222241846578, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (52878269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32313 + ... + 33909.

Almost surely, 2^52878267 is an apocalyptic number.

52878267 is a deficient number, since it is larger than the sum of its proper divisors (29719157).

52878267 is a wasteful number, since it uses less digits than its factorization.

52878267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1896 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 52878267 is about 7271.7444262020. The cubic root of 52878267 is about 375.3407675794.

The spelling of 52878267 in words is "fifty-two million, eight hundred seventy-eight thousand, two hundred sixty-seven".