56464151323136 has 80 divisors (see below), whose sum is σ = 113849182732824. Its totient is φ = 27974177193984.

The previous prime is 56464151323133. The next prime is 56464151323183. The reversal of 56464151323136 is 63132315146465.

It can be written as a sum of positive squares in 4 ways, for example, as 40768735801600 + 15695415521536 = 6385040^2 + 3961744^2 .

It is not an unprimeable number, because it can be changed into a prime (56464151323133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203340806 + ... + 203618298.

Almost surely, 2^{56464151323136} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56464151323136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56924591366412).

56464151323136 is an abundant number, since it is smaller than the sum of its proper divisors (57385031409688).

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

56464151323136 is a wasteful number, since it uses less digits than its factorization.

56464151323136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281141 (or 281125 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The spelling of 56464151323136 in words is "fifty-six trillion, four hundred sixty-four billion, one hundred fifty-one million, three hundred twenty-three thousand, one hundred thirty-six".