56611642454 has 8 divisors (see below), whose sum is σ = 84921802680. Its totient is φ = 28304374896.

The previous prime is 56611642433. The next prime is 56611642481. The reversal of 56611642454 is 45424611665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56611642454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 673559 + ... + 752930.

It is an arithmetic number, because the mean of its divisors is an integer number (10615225335).

Almost surely, 2^56611642454 is an apocalyptic number.

56611642454 is a deficient number, since it is larger than the sum of its proper divisors (28310160226).

56611642454 is a wasteful number, since it uses less digits than its factorization.

56611642454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446334.

The product of its digits is 691200, while the sum is 44.

The spelling of 56611642454 in words is "fifty-six billion, six hundred eleven million, six hundred forty-two thousand, four hundred fifty-four".