54120052215 has 12 divisors (see below), whose sum is σ = 93808090584. Its totient is φ = 28864027824.

The previous prime is 54120052171. The next prime is 54120052307. The reversal of 54120052215 is 51225002145.

54120052215 is a `hidden beast` number, since 5 + 4 + 120 + 0 + 522 + 15 = 666.

It is not a de Polignac number, because 54120052215 - 2⁷ = 54120052087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 601333869 + ... + 601333958.

It is an arithmetic number, because the mean of its divisors is an integer number (7817340882).

Almost surely, 2^54120052215 is an apocalyptic number.

54120052215 is a deficient number, since it is larger than the sum of its proper divisors (39688038369).

54120052215 is a wasteful number, since it uses less digits than its factorization.

54120052215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202667838 (or 1202667835 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 54120052215 in words is "fifty-four billion, one hundred twenty million, fifty-two thousand, two hundred fifteen".