2054557115 has 16 divisors (see below), whose sum is σ = 2794864800. Its totient is φ = 1437357312.

The previous prime is 2054557111. The next prime is 2054557121. The reversal of 2054557115 is 5117554502.

It is a cyclic number.

It is not a de Polignac number, because 2054557115 - 2² = 2054557111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054557111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 830570 + ... + 833039.

It is an arithmetic number, because the mean of its divisors is an integer number (174679050).

Almost surely, 2^2054557115 is an apocalyptic number.

2054557115 is a deficient number, since it is larger than the sum of its proper divisors (740307685).

2054557115 is a wasteful number, since it uses less digits than its factorization.

2054557115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663646.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 2054557115 is about 45327.2226702674. Note that the first 3 decimals coincide. The cubic root of 2054557115 is about 1271.2747064602.

The spelling of 2054557115 in words is "two billion, fifty-four million, five hundred fifty-seven thousand, one hundred fifteen".