55534573 has 4 divisors (see below), whose sum is σ = 55564380. Its totient is φ = 55504768.

The previous prime is 55534499. The next prime is 55534579. The reversal of 55534573 is 37543555.

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 16621929 + 38912644 = 4077^2 + 6238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55534573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55534579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11908 + ... + 15901.

It is an arithmetic number, because the mean of its divisors is an integer number (13891095).

Almost surely, 2^55534573 is an apocalyptic number.

It is an amenable number.

55534573 is a deficient number, since it is larger than the sum of its proper divisors (29807).

55534573 is a wasteful number, since it uses less digits than its factorization.

55534573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29806.

The product of its digits is 157500, while the sum is 37.

The square root of 55534573 is about 7452.1522394540. The cubic root of 55534573 is about 381.5233700750.

The spelling of 55534573 in words is "fifty-five million, five hundred thirty-four thousand, five hundred seventy-three".