55172282 has 16 divisors (see below), whose sum is σ = 90396000. Its totient is φ = 25046640.

The previous prime is 55172279. The next prime is 55172309. The reversal of 55172282 is 28227155.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33269 + ... + 34887.

It is an arithmetic number, because the mean of its divisors is an integer number (5649750).

Almost surely, 2^55172282 is an apocalyptic number.

55172282 is a deficient number, since it is larger than the sum of its proper divisors (35223718).

55172282 is a wasteful number, since it uses less digits than its factorization.

55172282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181.

The product of its digits is 11200, while the sum is 32.

The square root of 55172282 is about 7427.8046554820. The cubic root of 55172282 is about 380.6919111357.

The spelling of 55172282 in words is "fifty-five million, one hundred seventy-two thousand, two hundred eighty-two".