55463145 has 16 divisors (see below), whose sum is σ = 89658240. Its totient is φ = 29274624.

The previous prime is 55463117. The next prime is 55463159. The reversal of 55463145 is 54136455.

It is not a de Polignac number, because 55463145 - 2⁹ = 55462633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17605 + ... + 20514.

It is an arithmetic number, because the mean of its divisors is an integer number (5603640).

Almost surely, 2^55463145 is an apocalyptic number.

It is an amenable number.

55463145 is a deficient number, since it is larger than the sum of its proper divisors (34195095).

55463145 is a wasteful number, since it uses less digits than its factorization.

55463145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38224.

The product of its digits is 36000, while the sum is 33.

The square root of 55463145 is about 7447.3582564558. The cubic root of 55463145 is about 381.3597294114.

The spelling of 55463145 in words is "fifty-five million, four hundred sixty-three thousand, one hundred forty-five".