53777852139 has 24 divisors (see below), whose sum is σ = 83451105360. Its totient is φ = 30675420160.

The previous prime is 53777852059. The next prime is 53777852231. The reversal of 53777852139 is 93125877735.

It is a happy number.

It is not a de Polignac number, because 53777852139 - 2¹⁶ = 53777786603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53777853139) 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 23 ways as a sum of consecutive naturals, for example, 4351134 + ... + 4363475.

It is an arithmetic number, because the mean of its divisors is an integer number (3477129390).

Almost surely, 2^53777852139 is an apocalyptic number.

53777852139 is a deficient number, since it is larger than the sum of its proper divisors (29673253221).

53777852139 is a wasteful number, since it uses less digits than its factorization.

53777852139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8714651 (or 8714640 counting only the distinct ones).

The product of its digits is 11113200, while the sum is 57.

The spelling of 53777852139 in words is "fifty-three billion, seven hundred seventy-seven million, eight hundred fifty-two thousand, one hundred thirty-nine".