2055129258 has 128 divisors (see below), whose sum is σ = 5422620672. Its totient is φ = 504320256.

The previous prime is 2055129253. The next prime is 2055129287. The reversal of 2055129258 is 8529215502.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (2055129253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 462435 + ... + 466857.

It is an arithmetic number, because the mean of its divisors is an integer number (42364224).

Almost surely, 2^2055129258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055129258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2711310336).

2055129258 is an abundant number, since it is smaller than the sum of its proper divisors (3367491414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2055129258 is a wasteful number, since it uses less digits than its factorization.

2055129258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 2055129258 is about 45333.5334824013. The cubic root of 2055129258 is about 1271.3927016254.

The spelling of 2055129258 in words is "two billion, fifty-five million, one hundred twenty-nine thousand, two hundred fifty-eight".