55670297 has 4 divisors (see below), whose sum is σ = 55757520. Its totient is φ = 55583076.

The previous prime is 55670287. The next prime is 55670317. The reversal of 55670297 is 79207655.

55670297 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, 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 55670297 - 2²² = 51475993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55670207) 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, 42647 + ... + 43932.

It is an arithmetic number, because the mean of its divisors is an integer number (13939380).

Almost surely, 2^55670297 is an apocalyptic number.

It is an amenable number.

55670297 is a deficient number, since it is larger than the sum of its proper divisors (87223).

55670297 is an equidigital number, since it uses as much as digits as its factorization.

55670297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87222.

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 55670297 is about 7461.2530448980. The cubic root of 55670297 is about 381.8339258728.

The spelling of 55670297 in words is "fifty-five million, six hundred seventy thousand, two hundred ninety-seven".