55430673 has 4 divisors (see below), whose sum is σ = 73907568. Its totient is φ = 36953780.

The previous prime is 55430671. The next prime is 55430689. The reversal of 55430673 is 37603455.

55430673 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55430673 - 2¹ = 55430671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55430671) by changing a digit.

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, 9238443 + ... + 9238448.

It is an arithmetic number, because the mean of its divisors is an integer number (18476892).

Almost surely, 2^55430673 is an apocalyptic number.

It is an amenable number.

55430673 is a deficient number, since it is larger than the sum of its proper divisors (18476895).

55430673 is a wasteful number, since it uses less digits than its factorization.

55430673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18476894.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 55430673 is about 7445.1778353509. The cubic root of 55430673 is about 381.2852900057.

The spelling of 55430673 in words is "fifty-five million, four hundred thirty thousand, six hundred seventy-three".