56471129 has 16 divisors (see below), whose sum is σ = 67604544. Its totient is φ = 46488000.

The previous prime is 56471101. The next prime is 56471143. The reversal of 56471129 is 92117465.

It is not a de Polignac number, because 56471129 - 2⁸ = 56470873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56471189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3854 + ... + 11304.

It is an arithmetic number, because the mean of its divisors is an integer number (4225284).

Almost surely, 2^56471129 is an apocalyptic number.

It is an amenable number.

56471129 is a deficient number, since it is larger than the sum of its proper divisors (11133415).

56471129 is a wasteful number, since it uses less digits than its factorization.

56471129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528.

The product of its digits is 15120, while the sum is 35.

The square root of 56471129 is about 7514.7274734351. The cubic root of 56471129 is about 383.6561433720.

It can be divided in two parts, 5647 and 1129, that added together give a palindrome (6776).

The spelling of 56471129 in words is "fifty-six million, four hundred seventy-one thousand, one hundred twenty-nine".