53273644678 has 8 divisors (see below), whose sum is σ = 79967185560. Its totient is φ = 26617916160.

The previous prime is 53273644673. The next prime is 53273644691. The reversal of 53273644678 is 87644637235.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53273644673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9449568 + ... + 9455203.

It is an arithmetic number, because the mean of its divisors is an integer number (9995898195).

Almost surely, 2^53273644678 is an apocalyptic number.

53273644678 is a deficient number, since it is larger than the sum of its proper divisors (26693540882).

53273644678 is a wasteful number, since it uses less digits than its factorization.

53273644678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18906182.

The product of its digits is 20321280, while the sum is 55.

The spelling of 53273644678 in words is "fifty-three billion, two hundred seventy-three million, six hundred forty-four thousand, six hundred seventy-eight".