54543555380051 has 4 divisors (see below), whose sum is σ = 54543587634600. Its totient is φ = 54543523125504.

The previous prime is 54543555380029. The next prime is 54543555380081. The reversal of 54543555380051 is 15008355534545.

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

It is a cyclic number.

It is not a de Polignac number, because 54543555380051 - 2⁴² = 50145508868947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54543555379975 and 54543555380002.

It is not an unprimeable number, because it can be changed into a prime (54543555380021) 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, 13441646 + ... + 17022483.

It is an arithmetic number, because the mean of its divisors is an integer number (13635896908650).

Almost surely, 2^{54543555380051} is an apocalyptic number.

54543555380051 is a deficient number, since it is larger than the sum of its proper divisors (32254549).

54543555380051 is a wasteful number, since it uses less digits than its factorization.

54543555380051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32254548.

The product of its (nonzero) digits is 18000000, while the sum is 53.

The spelling of 54543555380051 in words is "fifty-four trillion, five hundred forty-three billion, five hundred fifty-five million, three hundred eighty thousand, fifty-one".