2554021156 has 24 divisors (see below), whose sum is σ = 4498092704. Its totient is φ = 1268879040.

The previous prime is 2554021147. The next prime is 2554021157. The reversal of 2554021156 is 6511204552.

It is not an unprimeable number, because it can be changed into a prime (2554021157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411331 + ... + 417493.

Almost surely, 2^2554021156 is an apocalyptic number.

It is an amenable number.

2554021156 is a deficient number, since it is larger than the sum of its proper divisors (1944071548).

2554021156 is a wasteful number, since it uses less digits than its factorization.

2554021156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6811 (or 6809 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 2554021156 is about 50537.3243850523. The cubic root of 2554021156 is about 1366.9149605853.

The spelling of 2554021156 in words is "two billion, five hundred fifty-four million, twenty-one thousand, one hundred fifty-six".