56667447134 has 4 divisors (see below), whose sum is σ = 85001170704. Its totient is φ = 28333723566.

The previous prime is 56667447091. The next prime is 56667447149. The reversal of 56667447134 is 43174476665.

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

It is a super-2 number, since 2×56667447134² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14166861782 + ... + 14166861785.

It is an arithmetic number, because the mean of its divisors is an integer number (21250292676).

Almost surely, 2^56667447134 is an apocalyptic number.

56667447134 is a deficient number, since it is larger than the sum of its proper divisors (28333723570).

56667447134 is a wasteful number, since it uses less digits than its factorization.

56667447134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28333723569.

The product of its digits is 10160640, while the sum is 53.

The spelling of 56667447134 in words is "fifty-six billion, six hundred sixty-seven million, four hundred forty-seven thousand, one hundred thirty-four".