55183445 has 8 divisors (see below), whose sum is σ = 70115544. Its totient is φ = 41549824.

The previous prime is 55183423. The next prime is 55183451. The reversal of 55183445 is 54438155.

It can be written as a sum of positive squares in 4 ways, for example, as 24690961 + 30492484 = 4969^2 + 5522^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55183445 - 2¹⁴ = 55167061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324524 + ... + 324693.

It is an arithmetic number, because the mean of its divisors is an integer number (8764443).

Almost surely, 2^55183445 is an apocalyptic number.

It is an amenable number.

55183445 is a deficient number, since it is larger than the sum of its proper divisors (14932099).

55183445 is a wasteful number, since it uses less digits than its factorization.

55183445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649239.

The product of its digits is 48000, while the sum is 35.

The square root of 55183445 is about 7428.5560508083. The cubic root of 55183445 is about 380.7175845178.

The spelling of 55183445 in words is "fifty-five million, one hundred eighty-three thousand, four hundred forty-five".