55670273 has 4 divisors (see below), whose sum is σ = 56375040. Its totient is φ = 54965508.

The previous prime is 55670269. The next prime is 55670287. The reversal of 55670273 is 37207655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55670273 - 2² = 55670269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55670243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352265 + ... + 352422.

It is an arithmetic number, because the mean of its divisors is an integer number (14093760).

Almost surely, 2^55670273 is an apocalyptic number.

It is an amenable number.

55670273 is a deficient number, since it is larger than the sum of its proper divisors (704767).

55670273 is an equidigital number, since it uses as much as digits as its factorization.

55670273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704766.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 55670273 is about 7461.2514365889. The cubic root of 55670273 is about 381.8338710021.

The spelling of 55670273 in words is "fifty-five million, six hundred seventy thousand, two hundred seventy-three".