56165064450 has 192 divisors, whose sum is σ = 154005857280. Its totient is φ = 13433056000.

The previous prime is 56165064443. The next prime is 56165064479. The reversal of 56165064450 is 5446056165.

56165064450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 42580891 + ... + 42582209.

It is an arithmetic number, because the mean of its divisors is an integer number (802113840).

Almost surely, 2^56165064450 is an apocalyptic number.

56165064450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56165064450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77002928640).

56165064450 is an abundant number, since it is smaller than the sum of its proper divisors (97840792830).

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

56165064450 is a wasteful number, since it uses less digits than its factorization.

56165064450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 56165064450 in words is "fifty-six billion, one hundred sixty-five million, sixty-four thousand, four hundred fifty".