52779445577 has 8 divisors (see below), whose sum is σ = 52933101480. Its totient is φ = 52626009600.

The previous prime is 52779445553. The next prime is 52779445601. The reversal of 52779445577 is 77554497725.

52779445577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52779445553) and next prime (52779445601).

It can be written as a sum of positive squares in 4 ways, for example, as 28512348736 + 24267096841 = 168856^2 + 155779^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52779445577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52779445177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431933 + ... + 540485.

It is an arithmetic number, because the mean of its divisors is an integer number (6616637685).

Almost surely, 2^52779445577 is an apocalyptic number.

It is an amenable number.

52779445577 is a deficient number, since it is larger than the sum of its proper divisors (153655903).

52779445577 is a wasteful number, since it uses less digits than its factorization.

52779445577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109963.

The product of its digits is 86436000, while the sum is 62.

The spelling of 52779445577 in words is "fifty-two billion, seven hundred seventy-nine million, four hundred forty-five thousand, five hundred seventy-seven".