2655651554 has 4 divisors (see below), whose sum is σ = 3983477334. Its totient is φ = 1327825776.

The previous prime is 2655651521. The next prime is 2655651587. The reversal of 2655651554 is 4551565562.

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

It is an interprime number because it is at equal distance from previous prime (2655651521) and next prime (2655651587).

It can be written as a sum of positive squares in only one way, i.e., 2432955625 + 222695929 = 49325^2 + 14923^2 .

It is a super-2 number, since 2×2655651554² = 14104970352525229832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663912887 + ... + 663912890.

Almost surely, 2^2655651554 is an apocalyptic number.

2655651554 is a deficient number, since it is larger than the sum of its proper divisors (1327825780).

2655651554 is a wasteful number, since it uses less digits than its factorization.

2655651554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1327825779.

The product of its digits is 900000, while the sum is 44.

The square root of 2655651554 is about 51533.0142141909. The cubic root of 2655651554 is about 1384.8105505314.

The spelling of 2655651554 in words is "two billion, six hundred fifty-five million, six hundred fifty-one thousand, five hundred fifty-four".