2058991555 has 8 divisors (see below), whose sum is σ = 2495253744. Its totient is φ = 1630884000.

The previous prime is 2058991553. The next prime is 2058991609. The reversal of 2058991555 is 5551998502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2058991555 - 2¹ = 2058991553 is a prime.

It is a super-2 number, since 2×2058991555² = 8478892447122636050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2058991499 and 2058991508.

It is not an unprimeable number, because it can be changed into a prime (2058991553) 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, 2038101 + ... + 2039110.

It is an arithmetic number, because the mean of its divisors is an integer number (311906718).

Almost surely, 2^2058991555 is an apocalyptic number.

2058991555 is a deficient number, since it is larger than the sum of its proper divisors (436262189).

2058991555 is a wasteful number, since it uses less digits than its factorization.

2058991555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077317.

The product of its (nonzero) digits is 810000, while the sum is 49.

The square root of 2058991555 is about 45376.1121626787. The cubic root of 2058991555 is about 1272.1886650640.

The spelling of 2058991555 in words is "two billion, fifty-eight million, nine hundred ninety-one thousand, five hundred fifty-five".