2554621156 has 6 divisors (see below), whose sum is σ = 4470587030. Its totient is φ = 1277310576.

The previous prime is 2554621151. The next prime is 2554621159. The reversal of 2554621156 is 6511264552.

It can be written as a sum of positive squares in only one way, i.e., 2170069056 + 384552100 = 46584^2 + 19610^2 .

It is not an unprimeable number, because it can be changed into a prime (2554621151) 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 as a sum of consecutive naturals, namely, 319327641 + ... + 319327648.

Almost surely, 2^2554621156 is an apocalyptic number.

It is an amenable number.

2554621156 is a deficient number, since it is larger than the sum of its proper divisors (1915965874).

2554621156 is a wasteful number, since it uses less digits than its factorization.

2554621156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638655293 (or 638655291 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 2554621156 is about 50543.2602430829. The cubic root of 2554621156 is about 1367.0219924265.

The spelling of 2554621156 in words is "two billion, five hundred fifty-four million, six hundred twenty-one thousand, one hundred fifty-six".