55000510511 has 4 divisors (see below), whose sum is σ = 55350832392. Its totient is φ = 54650188632.

The previous prime is 55000510459. The next prime is 55000510519. The reversal of 55000510511 is 11501500055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55000510511 - 2¹⁸ = 55000248367 is a prime.

It is a super-2 number, since 2×55000510511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000510519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175160705 + ... + 175161018.

It is an arithmetic number, because the mean of its divisors is an integer number (13837708098).

Almost surely, 2^55000510511 is an apocalyptic number.

55000510511 is a deficient number, since it is larger than the sum of its proper divisors (350321881).

55000510511 is a wasteful number, since it uses less digits than its factorization.

55000510511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350321880.

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 55000510511 in words is "fifty-five billion, five hundred ten thousand, five hundred eleven".