55559771936 has 12 divisors (see below), whose sum is σ = 109383301062. Its totient is φ = 27779885952.

The previous prime is 55559771933. The next prime is 55559771941. The reversal of 55559771936 is 63917795555.

It can be written as a sum of positive squares in only one way, i.e., 53963290000 + 1596481936 = 232300^2 + 39956^2 .

It is not an unprimeable number, because it can be changed into a prime (55559771933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 868121405 + ... + 868121468.

Almost surely, 2^55559771936 is an apocalyptic number.

It is an amenable number.

55559771936 is a deficient number, since it is larger than the sum of its proper divisors (53823529126).

55559771936 is a wasteful number, since it uses less digits than its factorization.

55559771936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736242883 (or 1736242875 counting only the distinct ones).

The product of its digits is 44651250, while the sum is 62.

The spelling of 55559771936 in words is "fifty-five billion, five hundred fifty-nine million, seven hundred seventy-one thousand, nine hundred thirty-six".