55045113 has 4 divisors (see below), whose sum is σ = 73393488. Its totient is φ = 36696740.

The previous prime is 55045091. The next prime is 55045121. The reversal of 55045113 is 31154055.

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 55045113 - 2¹⁰ = 55044089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55045153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9174183 + ... + 9174188.

It is an arithmetic number, because the mean of its divisors is an integer number (18348372).

Almost surely, 2^55045113 is an apocalyptic number.

It is an amenable number.

55045113 is a deficient number, since it is larger than the sum of its proper divisors (18348375).

55045113 is a wasteful number, since it uses less digits than its factorization.

55045113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348374.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 55045113 is about 7419.2393815000. The cubic root of 55045113 is about 380.3991949903.

Adding to 55045113 its reverse (31154055), we get a palindrome (86199168).

The spelling of 55045113 in words is "fifty-five million, forty-five thousand, one hundred thirteen".