52558557619 has 2 divisors, whose sum is σ = 52558557620. Its totient is φ = 52558557618.

The previous prime is 52558557581. The next prime is 52558557641. The reversal of 52558557619 is 91675585525.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52558557619 is a prime.

It is a super-2 number, since 2×52558557619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52558557119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26279278809 + 26279278810.

It is an arithmetic number, because the mean of its divisors is an integer number (26279278810).

Almost surely, 2^52558557619 is an apocalyptic number.

52558557619 is a deficient number, since it is larger than the sum of its proper divisors (1).

52558557619 is an equidigital number, since it uses as much as digits as its factorization.

52558557619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900000, while the sum is 58.

The spelling of 52558557619 in words is "fifty-two billion, five hundred fifty-eight million, five hundred fifty-seven thousand, six hundred nineteen".