55517275 has 12 divisors (see below), whose sum is σ = 75100104. Its totient is φ = 40376000.

The previous prime is 55517269. The next prime is 55517351. The reversal of 55517275 is 57271555.

It is a happy number.

55517275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55517275 - 2⁹ = 55516763 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 100666 + ... + 101215.

It is an arithmetic number, because the mean of its divisors is an integer number (6258342).

Almost surely, 2^55517275 is an apocalyptic number.

55517275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55517275 is a deficient number, since it is larger than the sum of its proper divisors (19582829).

55517275 is a wasteful number, since it uses less digits than its factorization.

55517275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201902 (or 201897 counting only the distinct ones).

The product of its digits is 61250, while the sum is 37.

The square root of 55517275 is about 7450.9915447543. The cubic root of 55517275 is about 381.4837534528.

The spelling of 55517275 in words is "fifty-five million, five hundred seventeen thousand, two hundred seventy-five".