55600550 has 12 divisors (see below), whose sum is σ = 103417116. Its totient is φ = 22240200.

The previous prime is 55600547. The next prime is 55600561. The reversal of 55600550 is 5500655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555956 + ... + 556055.

It is an arithmetic number, because the mean of its divisors is an integer number (8618093).

Almost surely, 2^55600550 is an apocalyptic number.

55600550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55600550 is a deficient number, since it is larger than the sum of its proper divisors (47816566).

55600550 is a wasteful number, since it uses less digits than its factorization.

55600550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112023 (or 1112018 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55600550 is about 7456.5776332041. The cubic root of 55600550 is about 381.6743979500.

The spelling of 55600550 in words is "fifty-five million, six hundred thousand, five hundred fifty".