1887055055 has 4 divisors (see below), whose sum is σ = 2264466072. Its totient is φ = 1509644040.

The previous prime is 1887055031. The next prime is 1887055057. The reversal of 1887055055 is 5505507881.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5505507881 = 43 ⋅128035067.

It is not a de Polignac number, because 1887055055 - 2¹⁰ = 1887054031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1887054997 and 1887055015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887055057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188705501 + ... + 188705510.

It is an arithmetic number, because the mean of its divisors is an integer number (566116518).

Almost surely, 2^1887055055 is an apocalyptic number.

1887055055 is a deficient number, since it is larger than the sum of its proper divisors (377411017).

1887055055 is an equidigital number, since it uses as much as digits as its factorization.

1887055055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377411016.

The product of its (nonzero) digits is 280000, while the sum is 44.

The square root of 1887055055 is about 43440.2469491139. The cubic root of 1887055055 is about 1235.7430889996.

The spelling of 1887055055 in words is "one billion, eight hundred eighty-seven million, fifty-five thousand, fifty-five".