56827489937 has 4 divisors (see below), whose sum is σ = 59818410480. Its totient is φ = 53836569396.

The previous prime is 56827489931. The next prime is 56827489963. The reversal of 56827489937 is 73998472865.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56827489937 is a prime.

It is a super-2 number, since 2×56827489937² (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 (56827489931) 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, 1495460243 + ... + 1495460280.

It is an arithmetic number, because the mean of its divisors is an integer number (14954602620).

Almost surely, 2^56827489937 is an apocalyptic number.

It is an amenable number.

56827489937 is a deficient number, since it is larger than the sum of its proper divisors (2990920543).

56827489937 is a wasteful number, since it uses less digits than its factorization.

56827489937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2990920542.

The product of its digits is 182891520, while the sum is 68.

The spelling of 56827489937 in words is "fifty-six billion, eight hundred twenty-seven million, four hundred eighty-nine thousand, nine hundred thirty-seven".