56641054551 has 8 divisors (see below), whose sum is σ = 75529939584. Its totient is φ = 37756436280.

The previous prime is 56641054541. The next prime is 56641054559. The reversal of 56641054551 is 15545014665.

56641054551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56641054551 - 2⁹ = 56641054039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56641054559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035585 + ... + 1088906.

It is an arithmetic number, because the mean of its divisors is an integer number (9441242448).

Almost surely, 2^56641054551 is an apocalyptic number.

56641054551 is a deficient number, since it is larger than the sum of its proper divisors (18888885033).

56641054551 is a wasteful number, since it uses less digits than its factorization.

56641054551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133381.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 56641054551 in words is "fifty-six billion, six hundred forty-one million, fifty-four thousand, five hundred fifty-one".