52773745619 has 4 divisors (see below), whose sum is σ = 60312852144. Its totient is φ = 45234639096.

The previous prime is 52773745573. The next prime is 52773745637. The reversal of 52773745619 is 91654737725.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52773745619 - 2³² = 48478778323 is a prime.

It is a super-2 number, since 2×52773745619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52773745639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769553252 + ... + 3769553265.

It is an arithmetic number, because the mean of its divisors is an integer number (15078213036).

Almost surely, 2^52773745619 is an apocalyptic number.

52773745619 is a deficient number, since it is larger than the sum of its proper divisors (7539106525).

52773745619 is an equidigital number, since it uses as much as digits as its factorization.

52773745619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7539106524.

The product of its digits is 11113200, while the sum is 56.

The spelling of 52773745619 in words is "fifty-two billion, seven hundred seventy-three million, seven hundred forty-five thousand, six hundred nineteen".