56606060551 has 4 divisors (see below), whose sum is σ = 57381486112. Its totient is φ = 55830634992.

The previous prime is 56606060503. The next prime is 56606060597. The reversal of 56606060551 is 15506060665.

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 56606060551 - 2¹⁹ = 56605536263 is a prime.

It is a super-2 number, since 2×56606060551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56606063551) 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, 387712671 + ... + 387712816.

It is an arithmetic number, because the mean of its divisors is an integer number (14345371528).

Almost surely, 2^56606060551 is an apocalyptic number.

56606060551 is a deficient number, since it is larger than the sum of its proper divisors (775425561).

56606060551 is an equidigital number, since it uses as much as digits as its factorization.

56606060551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775425560.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 56606060551 in words is "fifty-six billion, six hundred six million, sixty thousand, five hundred fifty-one".