55313650 has 72 divisors (see below), whose sum is σ = 121371696. Its totient is φ = 18698400.

The previous prime is 55313639. The next prime is 55313669. The reversal of 55313650 is 5631355.

It is a happy number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 262045 + ... + 262255.

It is an arithmetic number, because the mean of its divisors is an integer number (1685718).

Almost surely, 2^55313650 is an apocalyptic number.

55313650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55313650 is an abundant number, since it is smaller than the sum of its proper divisors (66058046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55313650 is a wasteful number, since it uses less digits than its factorization.

55313650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 55313650 is about 7437.3147035741. The cubic root of 55313650 is about 381.0167829239.

The spelling of 55313650 in words is "fifty-five million, three hundred thirteen thousand, six hundred fifty".