2055518007 has 4 divisors (see below), whose sum is σ = 2740690680. Its totient is φ = 1370345336.

The previous prime is 2055517951. The next prime is 2055518009. The reversal of 2055518007 is 7008155502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2055518007 - 2⁷ = 2055517879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055518009) 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, 342586332 + ... + 342586337.

It is an arithmetic number, because the mean of its divisors is an integer number (685172670).

Almost surely, 2^2055518007 is an apocalyptic number.

2055518007 is a deficient number, since it is larger than the sum of its proper divisors (685172673).

2055518007 is an equidigital number, since it uses as much as digits as its factorization.

2055518007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685172672.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 2055518007 is about 45337.8209335208. The cubic root of 2055518007 is about 1271.4728622736.

The spelling of 2055518007 in words is "two billion, fifty-five million, five hundred eighteen thousand, seven".