55045611 has 12 divisors (see below), whose sum is σ = 79639560. Its totient is φ = 36637440.

The previous prime is 55045591. The next prime is 55045619. The reversal of 55045611 is 11654055.

It is a happy number.

55045611 is a `hidden beast` number, since 5 + 5 + 0 + 45 + 611 = 666.

It is not a de Polignac number, because 55045611 - 2¹³ = 55037419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55045619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291 + ... + 10571.

It is an arithmetic number, because the mean of its divisors is an integer number (6636630).

Almost surely, 2^55045611 is an apocalyptic number.

55045611 is a deficient number, since it is larger than the sum of its proper divisors (24593949).

55045611 is a wasteful number, since it uses less digits than its factorization.

55045611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9946 (or 9943 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 55045611 is about 7419.2729428159. The cubic root of 55045611 is about 380.4003421599.

Adding to 55045611 its reverse (11654055), we get a palindrome (66699666).

The spelling of 55045611 in words is "fifty-five million, forty-five thousand, six hundred eleven".