1988536552 has 8 divisors (see below), whose sum is σ = 3728506050. Its totient is φ = 994268272.

The previous prime is 1988536469. The next prime is 1988536601. The reversal of 1988536552 is 2556358891.

It can be written as a sum of positive squares in only one way, i.e., 1245101796 + 743434756 = 35286^2 + 27266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1988536552.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124283527 + ... + 124283542.

Almost surely, 2^1988536552 is an apocalyptic number.

It is an amenable number.

1988536552 is a deficient number, since it is larger than the sum of its proper divisors (1739969498).

1988536552 is a wasteful number, since it uses less digits than its factorization.

1988536552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248567075 (or 248567071 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 52.

The square root of 1988536552 is about 44593.0101249063. The cubic root of 1988536552 is about 1257.5092628697.

The spelling of 1988536552 in words is "one billion, nine hundred eighty-eight million, five hundred thirty-six thousand, five hundred fifty-two".