53774360639 has 4 divisors (see below), whose sum is σ = 54104264856. Its totient is φ = 53444456424.

The previous prime is 53774360623. The next prime is 53774360641. The reversal of 53774360639 is 93606347735.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93606347735 = 5 ⋅18721269547.

It is a cyclic number.

It is not a de Polignac number, because 53774360639 - 2⁴ = 53774360623 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 (53774360539) 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 3 ways as a sum of consecutive naturals, for example, 164951864 + ... + 164952189.

It is an arithmetic number, because the mean of its divisors is an integer number (13526066214).

Almost surely, 2^53774360639 is an apocalyptic number.

53774360639 is a deficient number, since it is larger than the sum of its proper divisors (329904217).

53774360639 is a wasteful number, since it uses less digits than its factorization.

53774360639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329904216.

The product of its (nonzero) digits is 8573040, while the sum is 53.

The spelling of 53774360639 in words is "fifty-three billion, seven hundred seventy-four million, three hundred sixty thousand, six hundred thirty-nine".