55050000556 has 6 divisors (see below), whose sum is σ = 96337500980. Its totient is φ = 27525000276.

The previous prime is 55050000521. The next prime is 55050000557. The reversal of 55050000556 is 65500005055.

It is a super-2 number, since 2×55050000556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55050000557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6881250066 + ... + 6881250073.

Almost surely, 2^55050000556 is an apocalyptic number.

It is an amenable number.

55050000556 is a deficient number, since it is larger than the sum of its proper divisors (41287500424).

55050000556 is a wasteful number, since it uses less digits than its factorization.

55050000556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762500143 (or 13762500141 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 31.

The spelling of 55050000556 in words is "fifty-five billion, fifty million, five hundred fifty-six", and thus it is an aban number.