55556010511 has 2 divisors, whose sum is σ = 55556010512. Its totient is φ = 55556010510.

The previous prime is 55556010463. The next prime is 55556010547. The reversal of 55556010511 is 11501065555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55556010511 - 2¹³ = 55556002319 is a prime.

It is a super-2 number, since 2×55556010511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55556010571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778005255 + 27778005256.

It is an arithmetic number, because the mean of its divisors is an integer number (27778005256).

Almost surely, 2^55556010511 is an apocalyptic number.

55556010511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55556010511 is an equidigital number, since it uses as much as digits as its factorization.

55556010511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 55556010511 in words is "fifty-five billion, five hundred fifty-six million, ten thousand, five hundred eleven".