55275650 has 12 divisors (see below), whose sum is σ = 102812802. Its totient is φ = 22110240.

The previous prime is 55275637. The next prime is 55275659. The reversal of 55275650 is 5657255.

It can be written as a sum of positive squares in 3 ways, for example, as 31956409 + 23319241 = 5653^2 + 4829^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55275650.

It is not an unprimeable number, because it can be changed into a prime (55275659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 552707 + ... + 552806.

Almost surely, 2^55275650 is an apocalyptic number.

55275650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55275650 is a deficient number, since it is larger than the sum of its proper divisors (47537152).

55275650 is a wasteful number, since it uses less digits than its factorization.

55275650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105525 (or 1105520 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 55275650 is about 7434.7595791660. The cubic root of 55275650 is about 380.9295111891.

The spelling of 55275650 in words is "fifty-five million, two hundred seventy-five thousand, six hundred fifty".