53777122617 has 16 divisors (see below), whose sum is σ = 74138162112. Its totient is φ = 34650094080.

The previous prime is 53777122589. The next prime is 53777122757. The reversal of 53777122617 is 71622177735.

53777122617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53777122617 - 2¹⁹ = 53776598329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53777122117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029888 + ... + 2056209.

It is an arithmetic number, because the mean of its divisors is an integer number (4633635132).

Almost surely, 2^53777122617 is an apocalyptic number.

It is an amenable number.

53777122617 is a deficient number, since it is larger than the sum of its proper divisors (20361039495).

53777122617 is a wasteful number, since it uses less digits than its factorization.

53777122617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086248.

The product of its digits is 864360, while the sum is 48.

The spelling of 53777122617 in words is "fifty-three billion, seven hundred seventy-seven million, one hundred twenty-two thousand, six hundred seventeen".