9955858355 has 48 divisors (see below), whose sum is σ = 12887882784. Its totient is φ = 7380633600.

The previous prime is 9955858343. The next prime is 9955858391. The reversal of 9955858355 is 5538585599.

9955858355 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9955858355 - 2²⁰ = 9954809779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17683304 + ... + 17683866.

It is an arithmetic number, because the mean of its divisors is an integer number (268497558).

Almost surely, 2^9955858355 is an apocalyptic number.

9955858355 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9955858355 is a deficient number, since it is larger than the sum of its proper divisors (2932024429).

9955858355 is a wasteful number, since it uses less digits than its factorization.

9955858355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 785 counting only the distinct ones).

The product of its digits is 48600000, while the sum is 62.

The square root of 9955858355 is about 99779.0476753512. The cubic root of 9955858355 is about 2151.2600045362.

The spelling of 9955858355 in words is "nine billion, nine hundred fifty-five million, eight hundred fifty-eight thousand, three hundred fifty-five".