56741635537 has 4 divisors (see below), whose sum is σ = 56750109876. Its totient is φ = 56733161200.

The previous prime is 56741635499. The next prime is 56741635547. The reversal of 56741635537 is 73553614765.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43998838081 + 12742797456 = 209759^2 + 112884^2 .

It is a cyclic number.

It is not a de Polignac number, because 56741635537 - 2¹⁹ = 56741111249 is a prime.

It is a super-2 number, since 2×56741635537² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56741635547) 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, 4227118 + ... + 4240519.

It is an arithmetic number, because the mean of its divisors is an integer number (14187527469).

Almost surely, 2^56741635537 is an apocalyptic number.

It is an amenable number.

56741635537 is a deficient number, since it is larger than the sum of its proper divisors (8474339).

56741635537 is an equidigital number, since it uses as much as digits as its factorization.

56741635537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8474338.

The product of its digits is 7938000, while the sum is 52.

The spelling of 56741635537 in words is "fifty-six billion, seven hundred forty-one million, six hundred thirty-five thousand, five hundred thirty-seven".