55551011165010 has 48 divisors (see below), whose sum is σ = 144433585512216. Its totient is φ = 14813504876544.

The previous prime is 55551011164997. The next prime is 55551011165011. The reversal of 55551011165010 is 1056111015555.

55551011165010 is a `hidden beast` number, since 55 + 551 + 0 + 1 + 1 + 1 + 6 + 50 + 1 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55035729820449 + 515281344561 = 7418607^2 + 717831^2 .

It is not an unprimeable number, because it can be changed into a prime (55551011165011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12168082 + ... + 16098578.

Almost surely, 2^{55551011165010} is an apocalyptic number.

55551011165010 is an abundant number, since it is smaller than the sum of its proper divisors (88882574347206).

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

55551011165010 is a wasteful number, since it uses less digits than its factorization.

55551011165010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087547 (or 4087544 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 55551011165010 in words is "fifty-five trillion, five hundred fifty-one billion, eleven million, one hundred sixty-five thousand, ten".