56436213 has 36 divisors (see below), whose sum is σ = 84027264. Its totient is φ = 33652800.

The previous prime is 56436203. The next prime is 56436217. The reversal of 56436213 is 31263465.

It is not a de Polignac number, because 56436213 - 2¹⁷ = 56305141 is a prime.

It is a super-2 number, since 2×56436213² = 6370092275562738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56436217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1376473 + ... + 1376513.

Almost surely, 2^56436213 is an apocalyptic number.

It is an amenable number.

56436213 is a deficient number, since it is larger than the sum of its proper divisors (27591051).

56436213 is a wasteful number, since it uses less digits than its factorization.

56436213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 94 counting only the distinct ones).

The product of its digits is 12960, while the sum is 30.

The square root of 56436213 is about 7512.4039428135. The cubic root of 56436213 is about 383.5770557631.

Adding to 56436213 its reverse (31263465), we get a palindrome (87699678).

The spelling of 56436213 in words is "fifty-six million, four hundred thirty-six thousand, two hundred thirteen".