55604453 has 4 divisors (see below), whose sum is σ = 55641900. Its totient is φ = 55567008.

The previous prime is 55604429. The next prime is 55604477. The reversal of 55604453 is 35440655.

55604453 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.

It is an interprime number because it is at equal distance from previous prime (55604429) and next prime (55604477).

It can be written as a sum of positive squares in 2 ways, for example, as 28376929 + 27227524 = 5327^2 + 5218^2 .

It is a cyclic number.

It is not a de Polignac number, because 55604453 - 2¹⁴ = 55588069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55604413) 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, 16400 + ... + 19497.

It is an arithmetic number, because the mean of its divisors is an integer number (13910475).

Almost surely, 2^55604453 is an apocalyptic number.

It is an amenable number.

55604453 is a deficient number, since it is larger than the sum of its proper divisors (37447).

55604453 is a wasteful number, since it uses less digits than its factorization.

55604453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37446.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 55604453 is about 7456.8393438507. The cubic root of 55604453 is about 381.6833285591.

The spelling of 55604453 in words is "fifty-five million, six hundred four thousand, four hundred fifty-three".