56211227530 has 32 divisors (see below), whose sum is σ = 104344433280. Its totient is φ = 21792066240.

The previous prime is 56211227437. The next prime is 56211227537. The reversal of 56211227530 is 3572211265.

It is not an unprimeable number, because it can be changed into a prime (56211227537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629049 + ... + 712828.

It is an arithmetic number, because the mean of its divisors is an integer number (3260763540).

Almost surely, 2^56211227530 is an apocalyptic number.

56211227530 is a deficient number, since it is larger than the sum of its proper divisors (48133205750).

56211227530 is a wasteful number, since it uses less digits than its factorization.

56211227530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342014.

The product of its (nonzero) digits is 25200, while the sum is 34.

Adding to 56211227530 its reverse (3572211265), we get a palindrome (59783438795).

The spelling of 56211227530 in words is "fifty-six billion, two hundred eleven million, two hundred twenty-seven thousand, five hundred thirty".