53278601 has 4 divisors (see below), whose sum is σ = 54073872. Its totient is φ = 52483332.

The previous prime is 53278573. The next prime is 53278609. The reversal of 53278601 is 10687235.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53278601 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53278609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397535 + ... + 397668.

It is an arithmetic number, because the mean of its divisors is an integer number (13518468).

Almost surely, 2^53278601 is an apocalyptic number.

It is an amenable number.

53278601 is a deficient number, since it is larger than the sum of its proper divisors (795271).

53278601 is an equidigital number, since it uses as much as digits as its factorization.

53278601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795270.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 53278601 is about 7299.2192048191. The cubic root of 53278601 is about 376.2856047365.

The spelling of 53278601 in words is "fifty-three million, two hundred seventy-eight thousand, six hundred one".