55122262 has 32 divisors (see below), whose sum is σ = 94820544. Its totient is φ = 23808000.

The previous prime is 55122241. The next prime is 55122289. The reversal of 55122262 is 26222155.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137262 + ... + 137662.

It is an arithmetic number, because the mean of its divisors is an integer number (2963142).

Almost surely, 2^55122262 is an apocalyptic number.

55122262 is a deficient number, since it is larger than the sum of its proper divisors (39698282).

55122262 is a wasteful number, since it uses less digits than its factorization.

55122262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its digits is 2400, while the sum is 25.

The square root of 55122262 is about 7424.4368136580. The cubic root of 55122262 is about 380.5768293939.

The spelling of 55122262 in words is "fifty-five million, one hundred twenty-two thousand, two hundred sixty-two".