55010913 has 4 divisors (see below), whose sum is σ = 73347888. Its totient is φ = 36673940.

The previous prime is 55010881. The next prime is 55010927. The reversal of 55010913 is 31901055.

55010913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55010913 - 2⁵ = 55010881 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55010933) by changing a digit.

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, 9168483 + ... + 9168488.

It is an arithmetic number, because the mean of its divisors is an integer number (18336972).

Almost surely, 2^55010913 is an apocalyptic number.

It is an amenable number.

55010913 is a deficient number, since it is larger than the sum of its proper divisors (18336975).

55010913 is a wasteful number, since it uses less digits than its factorization.

55010913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18336974.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 55010913 is about 7416.9342049124. The cubic root of 55010913 is about 380.3203969098.

Adding to 55010913 its reverse (31901055), we get a palindrome (86911968).

The spelling of 55010913 in words is "fifty-five million, ten thousand, nine hundred thirteen".