55013122 has 8 divisors (see below), whose sum is σ = 87373836. Its totient is φ = 25888512.

The previous prime is 55013093. The next prime is 55013137. The reversal of 55013122 is 22131055.

55013122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 40717161 + 14295961 = 6381^2 + 3781^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 55013122.

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 3 ways as a sum of consecutive naturals, for example, 808983 + ... + 809050.

Almost surely, 2^55013122 is an apocalyptic number.

55013122 is a deficient number, since it is larger than the sum of its proper divisors (32360714).

55013122 is a wasteful number, since it uses less digits than its factorization.

55013122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618052.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 55013122 is about 7417.0831193940. The cubic root of 55013122 is about 380.3254875150.

Adding to 55013122 its reverse (22131055), we get a palindrome (77144177).

The spelling of 55013122 in words is "fifty-five million, thirteen thousand, one hundred twenty-two".