56467276465 has 4 divisors (see below), whose sum is σ = 67760731764. Its totient is φ = 45173821168.

The previous prime is 56467276451. The next prime is 56467276493.

56467276465 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21269013921 + 35198262544 = 145839^2 + 187612^2 .

It is a cyclic number.

It is not a de Polignac number, because 56467276465 - 2¹⁵ = 56467243697 is a prime.

It is a super-2 number, since 2×56467276465² (a number of 22 digits) contains 22 as substring.

It is a Duffinian 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, 5646727642 + ... + 5646727651.

It is an arithmetic number, because the mean of its divisors is an integer number (16940182941).

Almost surely, 2^56467276465 is an apocalyptic number.

It is an amenable number.

56467276465 is a deficient number, since it is larger than the sum of its proper divisors (11293455299).

56467276465 is a wasteful number, since it uses less digits than its factorization.

56467276465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11293455298.

The product of its digits is 50803200, while the sum is 58.

The spelling of 56467276465 in words is "fifty-six billion, four hundred sixty-seven million, two hundred seventy-six thousand, four hundred sixty-five".