55745315 has 4 divisors (see below), whose sum is σ = 66894384. Its totient is φ = 44596248.

The previous prime is 55745309. The next prime is 55745321. The reversal of 55745315 is 51354755.

55745315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (55745309) and next prime (55745321).

It is a cyclic number.

It is not a de Polignac number, because 55745315 - 2⁴ = 55745299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5574527 + ... + 5574536.

It is an arithmetic number, because the mean of its divisors is an integer number (16723596).

Almost surely, 2^55745315 is an apocalyptic number.

55745315 is a deficient number, since it is larger than the sum of its proper divisors (11149069).

55745315 is a wasteful number, since it uses less digits than its factorization.

55745315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149068.

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

The square root of 55745315 is about 7466.2785241377. The cubic root of 55745315 is about 382.0053611630.

The spelling of 55745315 in words is "fifty-five million, seven hundred forty-five thousand, three hundred fifteen".