56216313437 has 8 divisors (see below), whose sum is σ = 56318846520. Its totient is φ = 56113827840.

The previous prime is 56216313401. The next prime is 56216313469. The reversal of 56216313437 is 73431361265.

It can be written as a sum of positive squares in 4 ways, for example, as 3009509881 + 53206803556 = 54859^2 + 230666^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 56216313437 - 2¹⁸ = 56216051293 is a prime.

It is a super-3 number, since 3×56216313437³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56216313394 and 56216313403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56216312437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3060593 + ... + 3078905.

It is an arithmetic number, because the mean of its divisors is an integer number (7039855815).

Almost surely, 2^56216313437 is an apocalyptic number.

It is an amenable number.

56216313437 is a deficient number, since it is larger than the sum of its proper divisors (102533083).

56216313437 is a wasteful number, since it uses less digits than its factorization.

56216313437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23743.

The product of its digits is 272160, while the sum is 41.

The spelling of 56216313437 in words is "fifty-six billion, two hundred sixteen million, three hundred thirteen thousand, four hundred thirty-seven".