54916911121 has 4 divisors (see below), whose sum is σ = 55349327872. Its totient is φ = 54484494372.

The previous prime is 54916911109. The next prime is 54916911143. The reversal of 54916911121 is 12111961945.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54916911121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54917911121) 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, 216208185 + ... + 216208438.

It is an arithmetic number, because the mean of its divisors is an integer number (13837331968).

Almost surely, 2^54916911121 is an apocalyptic number.

It is an amenable number.

54916911121 is a deficient number, since it is larger than the sum of its proper divisors (432416751).

54916911121 is a wasteful number, since it uses less digits than its factorization.

54916911121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432416750.

The product of its digits is 19440, while the sum is 40.

The spelling of 54916911121 in words is "fifty-four billion, nine hundred sixteen million, nine hundred eleven thousand, one hundred twenty-one".