55051177636 has 48 divisors (see below), whose sum is σ = 118911788800. Its totient is φ = 21716035200.

The previous prime is 55051177529. The next prime is 55051177637. The reversal of 55051177636 is 63677115055.

It is a super-2 number, since 2×55051177636² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55051177637) 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 in 15 ways as a sum of consecutive naturals, for example, 89640 + ... + 343711.

Almost surely, 2^55051177636 is an apocalyptic number.

It is an amenable number.

55051177636 is an abundant number, since it is smaller than the sum of its proper divisors (63860611164).

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

55051177636 is a wasteful number, since it uses less digits than its factorization.

55051177636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433724 (or 433722 counting only the distinct ones).

The product of its (nonzero) digits is 661500, while the sum is 46.

The spelling of 55051177636 in words is "fifty-five billion, fifty-one million, one hundred seventy-seven thousand, six hundred thirty-six".