5540555554 has 4 divisors (see below), whose sum is σ = 8310833334. Its totient is φ = 2770277776.

The previous prime is 5540555543. The next prime is 5540555557. The reversal of 5540555554 is 4555550455.

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

It can be written as a sum of positive squares in only one way, i.e., 5539378329 + 1177225 = 74427^2 + 1085^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5540555554.

It is not an unprimeable number, because it can be changed into a prime (5540555557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385138887 + ... + 1385138890.

Almost surely, 2^5540555554 is an apocalyptic number.

5540555554 is a deficient number, since it is larger than the sum of its proper divisors (2770277780).

5540555554 is a wasteful number, since it uses less digits than its factorization.

5540555554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2770277779.

The product of its (nonzero) digits is 1250000, while the sum is 43.

The square root of 5540555554 is about 74434.9081681438. The cubic root of 5540555554 is about 1769.5021905401.

The spelling of 5540555554 in words is "five billion, five hundred forty million, five hundred fifty-five thousand, five hundred fifty-four".