56471039 has 4 divisors (see below), whose sum is σ = 56609520. Its totient is φ = 56332560.

The previous prime is 56471029. The next prime is 56471101. The reversal of 56471039 is 93017465.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56471039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56471029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68627 + ... + 69444.

It is an arithmetic number, because the mean of its divisors is an integer number (14152380).

Almost surely, 2^56471039 is an apocalyptic number.

56471039 is a deficient number, since it is larger than the sum of its proper divisors (138481).

56471039 is a wasteful number, since it uses less digits than its factorization.

56471039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138480.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56471039 is about 7514.7214851916. The cubic root of 56471039 is about 383.6559395565.

The spelling of 56471039 in words is "fifty-six million, four hundred seventy-one thousand, thirty-nine".