56449181862 has 12 divisors (see below), whose sum is σ = 122306560740. Its totient is φ = 18816393948.

The previous prime is 56449181861. The next prime is 56449181879. The reversal of 56449181862 is 26818194465.

56449181862 is a `hidden beast` number, since 5 + 6 + 449 + 18 + 186 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56449181799 and 56449181808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56449181861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1568032812 + ... + 1568032847.

It is an arithmetic number, because the mean of its divisors is an integer number (10192213395).

Almost surely, 2^56449181862 is an apocalyptic number.

56449181862 is an abundant number, since it is smaller than the sum of its proper divisors (65857378878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56449181862 is a wasteful number, since it uses less digits than its factorization.

56449181862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136065667 (or 3136065664 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 56449181862 in words is "fifty-six billion, four hundred forty-nine million, one hundred eighty-one thousand, eight hundred sixty-two".