54551211542 has 4 divisors (see below), whose sum is σ = 81826817316. Its totient is φ = 27275605770.

The previous prime is 54551211527. The next prime is 54551211551. The reversal of 54551211542 is 24511215545.

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

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13637802884 + ... + 13637802887.

It is an arithmetic number, because the mean of its divisors is an integer number (20456704329).

Almost surely, 2^54551211542 is an apocalyptic number.

54551211542 is a deficient number, since it is larger than the sum of its proper divisors (27275605774).

54551211542 is a wasteful number, since it uses less digits than its factorization.

54551211542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27275605773.

The product of its digits is 40000, while the sum is 35.

The spelling of 54551211542 in words is "fifty-four billion, five hundred fifty-one million, two hundred eleven thousand, five hundred forty-two".