55253258 has 8 divisors (see below), whose sum is σ = 82967652. Its totient is φ = 27597376.

The previous prime is 55253257. The next prime is 55253279. The reversal of 55253258 is 85235255.

It can be written as a sum of positive squares in 2 ways, for example, as 53042089 + 2211169 = 7283^2 + 1487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×55253258² = 6105845039229128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55253257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185 + ... + 16092.

Almost surely, 2^55253258 is an apocalyptic number.

55253258 is a deficient number, since it is larger than the sum of its proper divisors (27714394).

55253258 is a wasteful number, since it uses less digits than its factorization.

55253258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29256.

The product of its digits is 60000, while the sum is 35.

The square root of 55253258 is about 7433.2535272248. The cubic root of 55253258 is about 380.8780664410.

The spelling of 55253258 in words is "fifty-five million, two hundred fifty-three thousand, two hundred fifty-eight".