53278842 has 8 divisors (see below), whose sum is σ = 106557696. Its totient is φ = 17759612.

The previous prime is 53278807. The next prime is 53278859. The reversal of 53278842 is 24887235.

It is a sphenic number, since it is the product of 3 distinct primes.

53278842 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 53278842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4439898 + ... + 4439909.

It is an arithmetic number, because the mean of its divisors is an integer number (13319712).

Almost surely, 2^53278842 is an apocalyptic number.

53278842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53278842 is a wasteful number, since it uses less digits than its factorization.

53278842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8879812.

The product of its digits is 107520, while the sum is 39.

The square root of 53278842 is about 7299.2357134155. The cubic root of 53278842 is about 376.2861720981.

The spelling of 53278842 in words is "fifty-three million, two hundred seventy-eight thousand, eight hundred forty-two".