55455650 has 12 divisors (see below), whose sum is σ = 103147602. Its totient is φ = 22182240.

The previous prime is 55455643. The next prime is 55455671. The reversal of 55455650 is 5655455.

It can be written as a sum of positive squares in 3 ways, for example, as 46280809 + 9174841 = 6803^2 + 3029^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55455650.

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, 554507 + ... + 554606.

Almost surely, 2^55455650 is an apocalyptic number.

55455650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55455650 is a deficient number, since it is larger than the sum of its proper divisors (47691952).

55455650 is a wasteful number, since it uses less digits than its factorization.

55455650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109125 (or 1109120 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 55455650 is about 7446.8550408881. The cubic root of 55455650 is about 381.3425503162.

The spelling of 55455650 in words is "fifty-five million, four hundred fifty-five thousand, six hundred fifty".