56081534 has 8 divisors (see below), whose sum is σ = 87023160. Its totient is φ = 27073816.

The previous prime is 56081513. The next prime is 56081539. The reversal of 56081534 is 43518065.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56081534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56081539) 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, 483404 + ... + 483519.

It is an arithmetic number, because the mean of its divisors is an integer number (10877895).

Almost surely, 2^56081534 is an apocalyptic number.

56081534 is a deficient number, since it is larger than the sum of its proper divisors (30941626).

56081534 is a wasteful number, since it uses less digits than its factorization.

56081534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966954.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 56081534 is about 7488.7605115934. The cubic root of 56081534 is about 382.7718238130.

Adding to 56081534 its reverse (43518065), we get a palindrome (99599599).

The spelling of 56081534 in words is "fifty-six million, eighty-one thousand, five hundred thirty-four".