54450553511 has 4 divisors (see below), whose sum is σ = 54554665992. Its totient is φ = 54346441032.

The previous prime is 54450553481. The next prime is 54450553517. The reversal of 54450553511 is 11535505445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54450553511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54450553517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52055456 + ... + 52056501.

It is an arithmetic number, because the mean of its divisors is an integer number (13638666498).

Almost surely, 2^54450553511 is an apocalyptic number.

54450553511 is a deficient number, since it is larger than the sum of its proper divisors (104112481).

54450553511 is a wasteful number, since it uses less digits than its factorization.

54450553511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104112480.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 54450553511 in words is "fifty-four billion, four hundred fifty million, five hundred fifty-three thousand, five hundred eleven".