55472045 has 8 divisors (see below), whose sum is σ = 66610296. Its totient is φ = 44348416.

The previous prime is 55472029. The next prime is 55472059. The reversal of 55472045 is 54027455.

55472045 = 5266² + 5267².

It can be written as a sum of positive squares in 4 ways, for example, as 978121 + 54493924 = 989^2 + 7382^2 .

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 55472045 - 2⁴ = 55472029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8189 + ... + 13341.

It is an arithmetic number, because the mean of its divisors is an integer number (8326287).

Almost surely, 2^55472045 is an apocalyptic number.

55472045 is the 5267-th centered square number.

It is an amenable number.

55472045 is a deficient number, since it is larger than the sum of its proper divisors (11138251).

55472045 is a wasteful number, since it uses less digits than its factorization.

55472045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311.

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 55472045 is about 7447.9557598042. The cubic root of 55472045 is about 381.3801268606.

The spelling of 55472045 in words is "fifty-five million, four hundred seventy-two thousand, forty-five".