2055518870 has 32 divisors (see below), whose sum is σ = 3762339840. Its totient is φ = 808403680.

The previous prime is 2055518851. The next prime is 2055518873. The reversal of 2055518870 is 788155502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055518873) 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, 268151 + ... + 275709.

It is an arithmetic number, because the mean of its divisors is an integer number (117573120).

Almost surely, 2^2055518870 is an apocalyptic number.

2055518870 is a deficient number, since it is larger than the sum of its proper divisors (1706820970).

2055518870 is a wasteful number, since it uses less digits than its factorization.

2055518870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8020.

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 2055518870 is about 45337.8304509600. The cubic root of 2055518870 is about 1271.4730402143.

The spelling of 2055518870 in words is "two billion, fifty-five million, five hundred eighteen thousand, eight hundred seventy".