55312195 has 8 divisors (see below), whose sum is σ = 67309920. Its totient is φ = 43626240.

The previous prime is 55312189. The next prime is 55312267. The reversal of 55312195 is 59121355.

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

It is not a de Polignac number, because 55312195 - 2¹⁷ = 55181123 is a prime.

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, 77550 + ... + 78259.

It is an arithmetic number, because the mean of its divisors is an integer number (8413740).

Almost surely, 2^55312195 is an apocalyptic number.

55312195 is a deficient number, since it is larger than the sum of its proper divisors (11997725).

55312195 is a wasteful number, since it uses less digits than its factorization.

55312195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155885.

The product of its digits is 6750, while the sum is 31.

The square root of 55312195 is about 7437.2168853678. The cubic root of 55312195 is about 381.0134420711.

The spelling of 55312195 in words is "fifty-five million, three hundred twelve thousand, one hundred ninety-five".