52869378 has 32 divisors (see below), whose sum is σ = 109848960. Its totient is φ = 16943360.

The previous prime is 52869367. The next prime is 52869413. The reversal of 52869378 is 87396825.

It is a super-3 number, since 3×52869378³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53626 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (3432780).

Almost surely, 2^52869378 is an apocalyptic number.

52869378 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

52869378 is an abundant number, since it is smaller than the sum of its proper divisors (56979582).

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

52869378 is a wasteful number, since it uses less digits than its factorization.

52869378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322.

The product of its digits is 725760, while the sum is 48.

The square root of 52869378 is about 7271.1331991650. The cubic root of 52869378 is about 375.3197344200.

The spelling of 52869378 in words is "fifty-two million, eight hundred sixty-nine thousand, three hundred seventy-eight".