52555738919 has 4 divisors (see below), whose sum is σ = 52557747696. Its totient is φ = 52553730144.

The previous prime is 52555738913. The next prime is 52555738943. The reversal of 52555738919 is 91983755525.

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 52555738919 - 2⁴ = 52555738903 is a prime.

It is a super-2 number, since 2×52555738919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52555738913) 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 3 ways as a sum of consecutive naturals, for example, 964619 + ... + 1017644.

It is an arithmetic number, because the mean of its divisors is an integer number (13139436924).

Almost surely, 2^52555738919 is an apocalyptic number.

52555738919 is a deficient number, since it is larger than the sum of its proper divisors (2008777).

52555738919 is a wasteful number, since it uses less digits than its factorization.

52555738919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008776.

The product of its digits is 17010000, while the sum is 59.

The spelling of 52555738919 in words is "fifty-two billion, five hundred fifty-five million, seven hundred thirty-eight thousand, nine hundred nineteen".