55583757550 has 24 divisors (see below), whose sum is σ = 103406624856. Its totient is φ = 22229022240.

The previous prime is 55583757527. The next prime is 55583757557. The reversal of 55583757550 is 5575738555.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 55583757491 and 55583757500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55583757557) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 144369 + ... + 363331.

It is an arithmetic number, because the mean of its divisors is an integer number (4308609369).

Almost surely, 2^55583757550 is an apocalyptic number.

55583757550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55583757550 is a deficient number, since it is larger than the sum of its proper divisors (47822867306).

55583757550 is a wasteful number, since it uses less digits than its factorization.

55583757550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224052 (or 224047 counting only the distinct ones).

The product of its (nonzero) digits is 18375000, while the sum is 55.

The spelling of 55583757550 in words is "fifty-five billion, five hundred eighty-three million, seven hundred fifty-seven thousand, five hundred fifty".