550010101556 has 6 divisors (see below), whose sum is σ = 962517677730. Its totient is φ = 275005050776.

The previous prime is 550010101519. The next prime is 550010101621. The reversal of 550010101556 is 655101010055.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 525140811556 + 24869290000 = 724666^2 + 157700^2 .

It is a super-2 number, since 2×550010101556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68751262691 + ... + 68751262698.

It is an arithmetic number, because the mean of its divisors is an integer number (160419612955).

Almost surely, 2^550010101556 is an apocalyptic number.

It is an amenable number.

550010101556 is a deficient number, since it is larger than the sum of its proper divisors (412507576174).

550010101556 is a wasteful number, since it uses less digits than its factorization.

550010101556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137502525393 (or 137502525391 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 550010101556 in words is "five hundred fifty billion, ten million, one hundred one thousand, five hundred fifty-six".