56554611 has 16 divisors (see below), whose sum is σ = 80119200. Its totient is φ = 35417088.

The previous prime is 56554573. The next prime is 56554639. The reversal of 56554611 is 11645565.

It is not a de Polignac number, because 56554611 - 2¹⁰ = 56553587 is a prime.

It is a super-2 number, since 2×56554611² = 6396848050722642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56554651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5566 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (5007450).

Almost surely, 2^56554611 is an apocalyptic number.

56554611 is a deficient number, since it is larger than the sum of its proper divisors (23564589).

56554611 is a wasteful number, since it uses less digits than its factorization.

56554611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17638.

The product of its digits is 18000, while the sum is 33.

The square root of 56554611 is about 7520.2799814901. The cubic root of 56554611 is about 383.8451048999.

The spelling of 56554611 in words is "fifty-six million, five hundred fifty-four thousand, six hundred eleven".