55004611 has 4 divisors (see below), whose sum is σ = 56283832. Its totient is φ = 53725392.

The previous prime is 55004603. The next prime is 55004627. The reversal of 55004611 is 11640055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55004611 - 2³ = 55004603 is a prime.

It is a super-2 number, since 2×55004611² = 6051014462522642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55004641) 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, 639546 + ... + 639631.

It is an arithmetic number, because the mean of its divisors is an integer number (14070958).

Almost surely, 2^55004611 is an apocalyptic number.

55004611 is a deficient number, since it is larger than the sum of its proper divisors (1279221).

55004611 is a wasteful number, since it uses less digits than its factorization.

55004611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279220.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 55004611 is about 7416.5093541369. The cubic root of 55004611 is about 380.3058733027.

Adding to 55004611 its reverse (11640055), we get a palindrome (66644666).

It can be divided in two parts, 550046 and 11, that multiplied together give a palindrome (6050506).

The spelling of 55004611 in words is "fifty-five million, four thousand, six hundred eleven".