55867265819 has 2 divisors, whose sum is σ = 55867265820. Its totient is φ = 55867265818.

The previous prime is 55867265791. The next prime is 55867265827. The reversal of 55867265819 is 91856276855.

55867265819 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55867265819 is a prime.

It is a super-2 number, since 2×55867265819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55867268819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27933632909 + 27933632910.

It is an arithmetic number, because the mean of its divisors is an integer number (27933632910).

Almost surely, 2^55867265819 is an apocalyptic number.

55867265819 is a deficient number, since it is larger than the sum of its proper divisors (1).

55867265819 is an equidigital number, since it uses as much as digits as its factorization.

55867265819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 62.

The spelling of 55867265819 in words is "fifty-five billion, eight hundred sixty-seven million, two hundred sixty-five thousand, eight hundred nineteen".