55120234 has 8 divisors (see below), whose sum is σ = 89040420. Its totient is φ = 25440096.

The previous prime is 55120189. The next prime is 55120283. The reversal of 55120234 is 43202155.

It can be written as a sum of positive squares in 2 ways, for example, as 45603009 + 9517225 = 6753^2 + 3085^2 .

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

It is an unprimeable number.

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, 1059979 + ... + 1060030.

Almost surely, 2^55120234 is an apocalyptic number.

55120234 is a deficient number, since it is larger than the sum of its proper divisors (33920186).

55120234 is a wasteful number, since it uses less digits than its factorization.

55120234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120024.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55120234 is about 7424.3002363859. The cubic root of 55120234 is about 380.5721620765.

Adding to 55120234 its reverse (43202155), we get a palindrome (98322389).

The spelling of 55120234 in words is "fifty-five million, one hundred twenty thousand, two hundred thirty-four".