55155549513 has 8 divisors (see below), whose sum is σ = 77866658208. Its totient is φ = 34607403584.

The previous prime is 55155549473. The next prime is 55155549517. The reversal of 55155549513 is 31594555155.

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

It is a cyclic number.

It is not a de Polignac number, because 55155549513 - 2¹⁰ = 55155548489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55155549517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540740631 + ... + 540740732.

It is an arithmetic number, because the mean of its divisors is an integer number (9733332276).

Almost surely, 2^55155549513 is an apocalyptic number.

It is an amenable number.

55155549513 is a deficient number, since it is larger than the sum of its proper divisors (22711108695).

55155549513 is a wasteful number, since it uses less digits than its factorization.

55155549513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081481383.

The product of its digits is 1687500, while the sum is 48.

The spelling of 55155549513 in words is "fifty-five billion, one hundred fifty-five million, five hundred forty-nine thousand, five hundred thirteen".