55310275 has 12 divisors (see below), whose sum is σ = 69526552. Its totient is φ = 43640640.

The previous prime is 55310267. The next prime is 55310291. The reversal of 55310275 is 57201355.

It is not a de Polignac number, because 55310275 - 2³ = 55310267 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 13329 + ... + 16978.

Almost surely, 2^55310275 is an apocalyptic number.

55310275 is a deficient number, since it is larger than the sum of its proper divisors (14216277).

55310275 is a wasteful number, since it uses less digits than its factorization.

55310275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30390 (or 30385 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55310275 is about 7437.0878037038. The cubic root of 55310275 is about 381.0090334335.

The spelling of 55310275 in words is "fifty-five million, three hundred ten thousand, two hundred seventy-five".