55500016977 has 48 divisors (see below), whose sum is σ = 85516808832. Its totient is φ = 34563909120.

The previous prime is 55500016951. The next prime is 55500016993. The reversal of 55500016977 is 77961000555.

It is a happy number.

55500016977 is a `hidden beast` number, since 5 + 550 + 0 + 0 + 1 + 6 + 97 + 7 = 666.

It is not a de Polignac number, because 55500016977 - 2⁷ = 55500016849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55500016997) 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 47 ways as a sum of consecutive naturals, for example, 24808903 + ... + 24811139.

It is an arithmetic number, because the mean of its divisors is an integer number (1781600184).

Almost surely, 2^55500016977 is an apocalyptic number.

It is an amenable number.

55500016977 is a deficient number, since it is larger than the sum of its proper divisors (30016791855).

55500016977 is a wasteful number, since it uses less digits than its factorization.

55500016977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3395 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 45.

The spelling of 55500016977 in words is "fifty-five billion, five hundred million, sixteen thousand, nine hundred seventy-seven".