2054551155 has 16 divisors (see below), whose sum is σ = 3291025920. Its totient is φ = 1094512608.

The previous prime is 2054551151. The next prime is 2054551157. The reversal of 2054551155 is 5511554502.

It is not a de Polignac number, because 2054551155 - 2² = 2054551151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054551151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64315 + ... + 90804.

It is an arithmetic number, because the mean of its divisors is an integer number (205689120).

Almost surely, 2^2054551155 is an apocalyptic number.

2054551155 is a deficient number, since it is larger than the sum of its proper divisors (1236474765).

2054551155 is a wasteful number, since it uses less digits than its factorization.

2054551155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156010.

The product of its (nonzero) digits is 25000, while the sum is 33.

The square root of 2054551155 is about 45327.1569260637. The cubic root of 2054551155 is about 1271.2734771921.

The spelling of 2054551155 in words is "two billion, fifty-four million, five hundred fifty-one thousand, one hundred fifty-five".