2055501998 has 16 divisors (see below), whose sum is σ = 3366216576. Its totient is φ = 933578040.

The previous prime is 2055501997. The next prime is 2055502037. The reversal of 2055501998 is 8991055502.

It is a super-3 number, since 3×2055501998³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055501997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186 + ... + 64637.

It is an arithmetic number, because the mean of its divisors is an integer number (210388536).

Almost surely, 2^2055501998 is an apocalyptic number.

2055501998 is a deficient number, since it is larger than the sum of its proper divisors (1310714578).

2055501998 is a wasteful number, since it uses less digits than its factorization.

2055501998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74119.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 2055501998 is about 45337.6443808013. The cubic root of 2055501998 is about 1271.4695613924.

The spelling of 2055501998 in words is "two billion, fifty-five million, five hundred one thousand, nine hundred ninety-eight".