3955555055 has 4 divisors (see below), whose sum is σ = 4746666072. Its totient is φ = 3164444040.

The previous prime is 3955555049. The next prime is 3955555057. The reversal of 3955555055 is 5505555593.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3955555055 - 2²⁸ = 3687119599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3955555057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 395555501 + ... + 395555510.

It is an arithmetic number, because the mean of its divisors is an integer number (1186666518).

Almost surely, 2^3955555055 is an apocalyptic number.

3955555055 is a deficient number, since it is larger than the sum of its proper divisors (791111017).

3955555055 is an equidigital number, since it uses as much as digits as its factorization.

3955555055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791111016.

The product of its (nonzero) digits is 2109375, while the sum is 47.

The square root of 3955555055 is about 62893.2035676352. The cubic root of 3955555055 is about 1581.4998116360.

The spelling of 3955555055 in words is "three billion, nine hundred fifty-five million, five hundred fifty-five thousand, fifty-five".