55122305 has 24 divisors (see below), whose sum is σ = 78599808. Its totient is φ = 36986208.

The previous prime is 55122293. The next prime is 55122317. The reversal of 55122305 is 50322155.

It is an interprime number because it is at equal distance from previous prime (55122293) and next prime (55122317).

It is not a de Polignac number, because 55122305 - 2⁴ = 55122289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9122 + ... + 13908.

It is an arithmetic number, because the mean of its divisors is an integer number (3274992).

Almost surely, 2^55122305 is an apocalyptic number.

It is an amenable number.

55122305 is a deficient number, since it is larger than the sum of its proper divisors (23477503).

55122305 is a wasteful number, since it uses less digits than its factorization.

55122305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4846 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55122305 is about 7424.4397095000. The cubic root of 55122305 is about 380.5769283545.

The spelling of 55122305 in words is "fifty-five million, one hundred twenty-two thousand, three hundred five".