56415433 has 4 divisors (see below), whose sum is σ = 56595988. Its totient is φ = 56234880.

The previous prime is 56415431. The next prime is 56415461. The reversal of 56415433 is 33451465.

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 659344 + 55756089 = 812^2 + 7467^2 .

It is a cyclic number.

It is not a de Polignac number, because 56415433 - 2¹ = 56415431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56415395 and 56415404.

It is not an unprimeable number, because it can be changed into a prime (56415431) 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, 89808 + ... + 90433.

It is an arithmetic number, because the mean of its divisors is an integer number (14148997).

Almost surely, 2^56415433 is an apocalyptic number.

It is an amenable number.

56415433 is a deficient number, since it is larger than the sum of its proper divisors (180555).

56415433 is a wasteful number, since it uses less digits than its factorization.

56415433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180554.

The product of its digits is 21600, while the sum is 31.

The square root of 56415433 is about 7511.0207695093. The cubic root of 56415433 is about 383.5299718709.

Adding to 56415433 its reverse (33451465), we get a palindrome (89866898).

The spelling of 56415433 in words is "fifty-six million, four hundred fifteen thousand, four hundred thirty-three".