2055920939 has 8 divisors (see below), whose sum is σ = 2068024800. Its totient is φ = 2043835200.

The previous prime is 2055920927. The next prime is 2055920957. The reversal of 2055920939 is 9390295502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2055920939 - 2⁸ = 2055920683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055920939.

It is not an unprimeable number, because it can be changed into a prime (2055920969) 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, 271079 + ... + 278559.

It is an arithmetic number, because the mean of its divisors is an integer number (258503100).

Almost surely, 2^2055920939 is an apocalyptic number.

2055920939 is a deficient number, since it is larger than the sum of its proper divisors (12103861).

2055920939 is a wasteful number, since it uses less digits than its factorization.

2055920939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9061.

The product of its (nonzero) digits is 218700, while the sum is 44.

The square root of 2055920939 is about 45342.2643788331. The cubic root of 2055920939 is about 1271.5559368124. Note that the first 3 decimals are identical.

The spelling of 2055920939 in words is "two billion, fifty-five million, nine hundred twenty thousand, nine hundred thirty-nine".