55444000511 has 2 divisors, whose sum is σ = 55444000512. Its totient is φ = 55444000510.

The previous prime is 55444000499. The next prime is 55444000517. The reversal of 55444000511 is 11500044455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55444000511 - 2¹⁰ = 55443999487 is a prime.

It is a super-2 number, since 2×55444000511² (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 (55444000517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27722000255 + 27722000256.

It is an arithmetic number, because the mean of its divisors is an integer number (27722000256).

Almost surely, 2^55444000511 is an apocalyptic number.

55444000511 is a deficient number, since it is larger than the sum of its proper divisors (1).

55444000511 is an equidigital number, since it uses as much as digits as its factorization.

55444000511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 55444000511 its reverse (11500044455), we get a palindrome (66944044966).

The spelling of 55444000511 in words is "fifty-five billion, four hundred forty-four million, five hundred eleven", and thus it is an aban number.