55031770960 has 40 divisors (see below), whose sum is σ = 128005385256. Its totient is φ = 22002984960.

The previous prime is 55031770931. The next prime is 55031770993. The reversal of 55031770960 is 6907713055.

It can be written as a sum of positive squares in 4 ways, for example, as 324432144 + 54707338816 = 18012^2 + 233896^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31692 + ... + 333268.

Almost surely, 2^55031770960 is an apocalyptic number.

It is an amenable number.

55031770960 is an abundant number, since it is smaller than the sum of its proper divisors (72973614296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55031770960 is a wasteful number, since it uses less digits than its factorization.

55031770960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303871 (or 303865 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 43.

The spelling of 55031770960 in words is "fifty-five billion, thirty-one million, seven hundred seventy thousand, nine hundred sixty".