55628611 has 4 divisors (see below), whose sum is σ = 55789272. Its totient is φ = 55467952.

The previous prime is 55628603. The next prime is 55628621. The reversal of 55628611 is 11682655.

It is a happy number.

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 55628611 - 2³ = 55628603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55628621) 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, 79810 + ... + 80503.

It is an arithmetic number, because the mean of its divisors is an integer number (13947318).

Almost surely, 2^55628611 is an apocalyptic number.

55628611 is a deficient number, since it is larger than the sum of its proper divisors (160661).

55628611 is a wasteful number, since it uses less digits than its factorization.

55628611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160660.

The product of its digits is 14400, while the sum is 34.

The square root of 55628611 is about 7458.4590231495. The cubic root of 55628611 is about 381.7385961400.

The spelling of 55628611 in words is "fifty-five million, six hundred twenty-eight thousand, six hundred eleven".