56172834 has 12 divisors (see below), whose sum is σ = 121707846. Its totient is φ = 18724272.

The previous prime is 56172827. The next prime is 56172839. The reversal of 56172834 is 43827165.

56172834 is a `hidden beast` number, since 5 + 617 + 2 + 8 + 34 = 666.

It can be written as a sum of positive squares in only one way, i.e., 31640625 + 24532209 = 5625^2 + 4953^2 .

It is not an unprimeable number, because it can be changed into a prime (56172839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1560339 + ... + 1560374.

Almost surely, 2^56172834 is an apocalyptic number.

56172834 is an abundant number, since it is smaller than the sum of its proper divisors (65535012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56172834 is a wasteful number, since it uses less digits than its factorization.

56172834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120721 (or 3120718 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 56172834 is about 7494.8538344654. The cubic root of 56172834 is about 382.9794270275.

Adding to 56172834 its reverse (43827165), we get a palindrome (99999999).

The spelling of 56172834 in words is "fifty-six million, one hundred seventy-two thousand, eight hundred thirty-four".