55051050505511 has 8 divisors (see below), whose sum is σ = 55066197400848. Its totient is φ = 55035904896000.

The previous prime is 55051050505487. The next prime is 55051050505531. The reversal of 55051050505511 is 11550505015055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55051050505511 is a prime.

It is a super-2 number, since 2×55051050505511² (a number of 28 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 (55051050505531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88687856 + ... + 89306426.

It is an arithmetic number, because the mean of its divisors is an integer number (6883274675106).

Almost surely, 2^{55051050505511} is an apocalyptic number.

55051050505511 is a deficient number, since it is larger than the sum of its proper divisors (15146895337).

55051050505511 is a wasteful number, since it uses less digits than its factorization.

55051050505511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642913.

The product of its (nonzero) digits is 78125, while the sum is 38.

The spelling of 55051050505511 in words is "fifty-five trillion, fifty-one billion, fifty million, five hundred five thousand, five hundred eleven".