55667473 has 4 divisors (see below), whose sum is σ = 58597360. Its totient is φ = 52737588.

The previous prime is 55667471. The next prime is 55667477. The reversal of 55667473 is 37476655.

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 55667473 - 2¹ = 55667471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55667471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464915 + ... + 1464952.

It is an arithmetic number, because the mean of its divisors is an integer number (14649340).

Almost surely, 2^55667473 is an apocalyptic number.

It is an amenable number.

55667473 is a deficient number, since it is larger than the sum of its proper divisors (2929887).

55667473 is a wasteful number, since it uses less digits than its factorization.

55667473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2929886.

The product of its digits is 529200, while the sum is 43.

The square root of 55667473 is about 7461.0637981457. The cubic root of 55667473 is about 381.8274693044.

The spelling of 55667473 in words is "fifty-five million, six hundred sixty-seven thousand, four hundred seventy-three".