54220516252115 has 4 divisors (see below), whose sum is σ = 65064619502544. Its totient is φ = 43376413001688.

The previous prime is 54220516252087. The next prime is 54220516252153. The reversal of 54220516252115 is 51125261502245.

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 54220516252115 - 2³⁸ = 53945638345171 is a prime.

It is a Duffinian number.

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, 5422051625207 + ... + 5422051625216.

It is an arithmetic number, because the mean of its divisors is an integer number (16266154875636).

Almost surely, 2^{54220516252115} is an apocalyptic number.

54220516252115 is a deficient number, since it is larger than the sum of its proper divisors (10844103250429).

54220516252115 is a wasteful number, since it uses less digits than its factorization.

54220516252115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844103250428.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 54220516252115 in words is "fifty-four trillion, two hundred twenty billion, five hundred sixteen million, two hundred fifty-two thousand, one hundred fifteen".