56671105 has 4 divisors (see below), whose sum is σ = 68005332. Its totient is φ = 45336880.

The previous prime is 56671099. The next prime is 56671117. The reversal of 56671105 is 50117665.

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 19509889 + 37161216 = 4417^2 + 6096^2 .

It is a de Polignac number, because none of the positive numbers 2^k-56671105 is a prime.

It is a super-2 number, since 2×56671105² = 6423228283842050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5667106 + ... + 5667115.

It is an arithmetic number, because the mean of its divisors is an integer number (17001333).

Almost surely, 2^56671105 is an apocalyptic number.

It is an amenable number.

56671105 is a deficient number, since it is larger than the sum of its proper divisors (11334227).

56671105 is a wasteful number, since it uses less digits than its factorization.

56671105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334226.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 56671105 is about 7528.0213203736. The cubic root of 56671105 is about 384.1084785573.

The spelling of 56671105 in words is "fifty-six million, six hundred seventy-one thousand, one hundred five".