1000000055552 has 18 divisors (see below), whose sum is σ = 1996093861398. Its totient is φ = 500000027648.

The previous prime is 1000000055539. The next prime is 1000000055557. The reversal of 1000000055552 is 2555500000001.

It can be written as a sum of positive squares in only one way, i.e., 897763830016 + 102236225536 = 947504^2 + 319744^2 .

It is a super-2 number, since 2×1000000055552² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000000055557) 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, 1953124853 + ... + 1953125364.

It is an arithmetic number, because the mean of its divisors is an integer number (110894103411).

Almost surely, 2^{1000000055552} is an apocalyptic number.

It is an amenable number.

1000000055552 is a deficient number, since it is larger than the sum of its proper divisors (996093805846).

1000000055552 is an frugal number, since it uses more digits than its factorization.

1000000055552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906250233 (or 3906250219 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 23.

Adding to 1000000055552 its reverse (2555500000001), we get a palindrome (3555500055553).

The spelling of 1000000055552 in words is "one trillion, fifty-five thousand, five hundred fifty-two".