2055651515 has 16 divisors (see below), whose sum is σ = 2686154400. Its totient is φ = 1504242432.

The previous prime is 2055651511. The next prime is 2055651527. The reversal of 2055651515 is 5151565502.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2055651515 - 2² = 2055651511 is a prime.

It is a super-2 number, since 2×2055651515² = 8451406302243590450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2055651511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370322 + ... + 375831.

It is an arithmetic number, because the mean of its divisors is an integer number (167884650).

Almost surely, 2^2055651515 is an apocalyptic number.

2055651515 is a deficient number, since it is larger than the sum of its proper divisors (630502885).

2055651515 is a wasteful number, since it uses less digits than its factorization.

2055651515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746206.

The product of its (nonzero) digits is 37500, while the sum is 35.

The square root of 2055651515 is about 45339.2932785680. The cubic root of 2055651515 is about 1271.5003894992.

The spelling of 2055651515 in words is "two billion, fifty-five million, six hundred fifty-one thousand, five hundred fifteen".