55337513 has 12 divisors (see below), whose sum is σ = 70224912. Its totient is φ = 43119720.

The previous prime is 55337509. The next prime is 55337521. The reversal of 55337513 is 31573355.

It is not a de Polignac number, because 55337513 - 2² = 55337509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55337513.

It is not an unprimeable number, because it can be changed into a prime (55337543) 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 11 ways as a sum of consecutive naturals, for example, 50795 + ... + 51872.

It is an arithmetic number, because the mean of its divisors is an integer number (5852076).

Almost surely, 2^55337513 is an apocalyptic number.

It is an amenable number.

55337513 is a deficient number, since it is larger than the sum of its proper divisors (14887399).

55337513 is a wasteful number, since it uses less digits than its factorization.

55337513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102692 (or 102685 counting only the distinct ones).

The product of its digits is 23625, while the sum is 32.

The square root of 55337513 is about 7438.9188058481. The cubic root of 55337513 is about 381.0715668474.

The spelling of 55337513 in words is "fifty-five million, three hundred thirty-seven thousand, five hundred thirteen".