54122021115 has 8 divisors (see below), whose sum is σ = 86595233808. Its totient is φ = 28865077920.

The previous prime is 54122021059. The next prime is 54122021123. The reversal of 54122021115 is 51112022145.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54122021115 - 2¹¹ = 54122019067 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804067356 + ... + 1804067385.

It is an arithmetic number, because the mean of its divisors is an integer number (10824404226).

Almost surely, 2^54122021115 is an apocalyptic number.

54122021115 is a deficient number, since it is larger than the sum of its proper divisors (32473212693).

54122021115 is a wasteful number, since it uses less digits than its factorization.

54122021115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3608134749.

The product of its (nonzero) digits is 800, while the sum is 24.

The spelling of 54122021115 in words is "fifty-four billion, one hundred twenty-two million, twenty-one thousand, one hundred fifteen".