54552673721515 has 4 divisors (see below), whose sum is σ = 65463208465824. Its totient is φ = 43642138977208.

The previous prime is 54552673721467. The next prime is 54552673721551. The reversal of 54552673721515 is 51512737625545.

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 54552673721515 - 2⁷ = 54552673721387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54552673721515.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5455267372147 + ... + 5455267372156.

It is an arithmetic number, because the mean of its divisors is an integer number (16365802116456).

Almost surely, 2^{54552673721515} is an apocalyptic number.

54552673721515 is a deficient number, since it is larger than the sum of its proper divisors (10910534744309).

54552673721515 is a wasteful number, since it uses less digits than its factorization.

54552673721515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10910534744308.

The product of its digits is 44100000, while the sum is 58.

The spelling of 54552673721515 in words is "fifty-four trillion, five hundred fifty-two billion, six hundred seventy-three million, seven hundred twenty-one thousand, five hundred fifteen".