52775444645 has 32 divisors (see below), whose sum is σ = 79005874176. Its totient is φ = 32878843200.

The previous prime is 52775444633. The next prime is 52775444663. The reversal of 52775444645 is 54644457725.

It is not a de Polignac number, because 52775444645 - 2¹⁰ = 52775443621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600680 + ... + 682910.

It is an arithmetic number, because the mean of its divisors is an integer number (2468933568).

Almost surely, 2^52775444645 is an apocalyptic number.

52775444645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52775444645 is a deficient number, since it is larger than the sum of its proper divisors (26230429531).

52775444645 is a wasteful number, since it uses less digits than its factorization.

52775444645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83921.

The product of its digits is 18816000, while the sum is 53.

The spelling of 52775444645 in words is "fifty-two billion, seven hundred seventy-five million, four hundred forty-four thousand, six hundred forty-five".