550000000556 has 6 divisors (see below), whose sum is σ = 962500000980. Its totient is φ = 275000000276.

The previous prime is 550000000499. The next prime is 550000000577. The reversal of 550000000556 is 655000000055.

It is a super-2 number, since 2×550000000556² (a number of 24 digits) 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, 68750000066 + ... + 68750000073.

It is an arithmetic number, because the mean of its divisors is an integer number (160416666830).

Almost surely, 2^550000000556 is an apocalyptic number.

It is an amenable number.

550000000556 is a deficient number, since it is larger than the sum of its proper divisors (412500000424).

550000000556 is a wasteful number, since it uses less digits than its factorization.

550000000556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137500000143 (or 137500000141 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The spelling of 550000000556 in words is "five hundred fifty billion, five hundred fifty-six", and thus it is an aban number.