55506100511 has 2 divisors, whose sum is σ = 55506100512. Its totient is φ = 55506100510.

The previous prime is 55506100499. The next prime is 55506100549. The reversal of 55506100511 is 11500160555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55506100511 is a prime.

It is a super-2 number, since 2×55506100511² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55506100591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27753050255 + 27753050256.

It is an arithmetic number, because the mean of its divisors is an integer number (27753050256).

Almost surely, 2^55506100511 is an apocalyptic number.

55506100511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55506100511 is an equidigital number, since it uses as much as digits as its factorization.

55506100511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55506100511 in words is "fifty-five billion, five hundred six million, one hundred thousand, five hundred eleven".