56465670571 has 4 divisors (see below), whose sum is σ = 56619528352. Its totient is φ = 56311812792.

The previous prime is 56465670559. The next prime is 56465670589. The reversal of 56465670571 is 17507656465.

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 56465670571 - 2⁵ = 56465670539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56465670551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76928340 + ... + 76929073.

It is an arithmetic number, because the mean of its divisors is an integer number (14154882088).

Almost surely, 2^56465670571 is an apocalyptic number.

56465670571 is a deficient number, since it is larger than the sum of its proper divisors (153857781).

56465670571 is a wasteful number, since it uses less digits than its factorization.

56465670571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153857780.

The product of its (nonzero) digits is 5292000, while the sum is 52.

The spelling of 56465670571 in words is "fifty-six billion, four hundred sixty-five million, six hundred seventy thousand, five hundred seventy-one".