55086073550 has 12 divisors (see below), whose sum is σ = 102460096896. Its totient is φ = 22034429400.

The previous prime is 55086073547. The next prime is 55086073613. The reversal of 55086073550 is 5537068055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 550860686 + ... + 550860785.

It is an arithmetic number, because the mean of its divisors is an integer number (8538341408).

Almost surely, 2^55086073550 is an apocalyptic number.

55086073550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55086073550 is a deficient number, since it is larger than the sum of its proper divisors (47374023346).

55086073550 is a wasteful number, since it uses less digits than its factorization.

55086073550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101721483 (or 1101721478 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 44.

The spelling of 55086073550 in words is "fifty-five billion, eighty-six million, seventy-three thousand, five hundred fifty".