56445534 has 24 divisors (see below), whose sum is σ = 123385392. Its totient is φ = 18648000.

The previous prime is 56445527. The next prime is 56445539. The reversal of 56445534 is 43554465.

56445534 is a `hidden beast` number, since 5 + 644 + 5 + 5 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56445539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11842 + ... + 15909.

It is an arithmetic number, because the mean of its divisors is an integer number (5141058).

Almost surely, 2^56445534 is an apocalyptic number.

56445534 is an abundant number, since it is smaller than the sum of its proper divisors (66939858).

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

56445534 is a wasteful number, since it uses less digits than its factorization.

56445534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27872 (or 27869 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 56445534 is about 7513.0242911893. The cubic root of 56445534 is about 383.5981717849.

Adding to 56445534 its reverse (43554465), we get a palindrome (99999999).

The spelling of 56445534 in words is "fifty-six million, four hundred forty-five thousand, five hundred thirty-four".