55757530550 has 24 divisors (see below), whose sum is σ = 104235466896. Its totient is φ = 22189795040.

The previous prime is 55757530531. The next prime is 55757530567. The reversal of 55757530550 is 5503575755.

It is a junction number, because it is equal to n+sod(n) for n = 55757530495 and 55757530504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2820482 + ... + 2840181.

It is an arithmetic number, because the mean of its divisors is an integer number (4343144454).

Almost surely, 2^55757530550 is an apocalyptic number.

55757530550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55757530550 is a deficient number, since it is larger than the sum of its proper divisors (48477936346).

55757530550 is a wasteful number, since it uses less digits than its factorization.

55757530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660872 (or 5660867 counting only the distinct ones).

The product of its (nonzero) digits is 2296875, while the sum is 47.

The spelling of 55757530550 in words is "fifty-five billion, seven hundred fifty-seven million, five hundred thirty thousand, five hundred fifty".