56213634 has 16 divisors (see below), whose sum is σ = 113587488. Its totient is φ = 18544512.

The previous prime is 56213621. The next prime is 56213639. The reversal of 56213634 is 43631265.

It is not an unprimeable number, because it can be changed into a prime (56213639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47712 + ... + 48875.

It is an arithmetic number, because the mean of its divisors is an integer number (7099218).

Almost surely, 2^56213634 is an apocalyptic number.

56213634 is an abundant number, since it is smaller than the sum of its proper divisors (57373854).

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

56213634 is a wasteful number, since it uses less digits than its factorization.

56213634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96689.

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

The square root of 56213634 is about 7497.5752080256. The cubic root of 56213634 is about 383.0721277034.

Adding to 56213634 its reverse (43631265), we get a palindrome (99844899).

It can be divided in two parts, 562 and 13634, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 56213634 in words is "fifty-six million, two hundred thirteen thousand, six hundred thirty-four".