55434473 has 4 divisors (see below), whose sum is σ = 56932740. Its totient is φ = 53936208.

The previous prime is 55434469. The next prime is 55434493. The reversal of 55434473 is 37443455.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 2319529 = 7288^2 + 1523^2 .

It is a cyclic number.

It is not a de Polignac number, because 55434473 - 2² = 55434469 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55434403) 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, 749078 + ... + 749151.

It is an arithmetic number, because the mean of its divisors is an integer number (14233185).

Almost surely, 2^55434473 is an apocalyptic number.

It is an amenable number.

55434473 is a deficient number, since it is larger than the sum of its proper divisors (1498267).

55434473 is a wasteful number, since it uses less digits than its factorization.

55434473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498266.

The product of its digits is 100800, while the sum is 35.

The square root of 55434473 is about 7445.4330297169. The cubic root of 55434473 is about 381.2940026968.

The spelling of 55434473 in words is "fifty-five million, four hundred thirty-four thousand, four hundred seventy-three".