53278367 has 8 divisors (see below), whose sum is σ = 55080960. Its totient is φ = 51481080.

The previous prime is 53278363. The next prime is 53278397. The reversal of 53278367 is 76387235.

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

It is not a de Polignac number, because 53278367 - 2² = 53278363 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53278361) 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 7 ways as a sum of consecutive naturals, for example, 39734 + ... + 41052.

It is an arithmetic number, because the mean of its divisors is an integer number (6885120).

Almost surely, 2^53278367 is an apocalyptic number.

53278367 is a deficient number, since it is larger than the sum of its proper divisors (1802593).

53278367 is a wasteful number, since it uses less digits than its factorization.

53278367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653.

The product of its digits is 211680, while the sum is 41.

The square root of 53278367 is about 7299.2031756898. The cubic root of 53278367 is about 376.2850538526.

The spelling of 53278367 in words is "fifty-three million, two hundred seventy-eight thousand, three hundred sixty-seven".