53446843458 has 54 divisors (see below), whose sum is σ = 119996205849. Its totient is φ = 17192128464.

The previous prime is 53446843441. The next prime is 53446843547. The reversal of 53446843458 is 85434864435.

53446843458 is a `hidden beast` number, since 53 + 44 + 68 + 43 + 458 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 53415067689 + 31775769 = 231117^2 + 5637^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=163473.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 28443363 + ... + 28445241.

Almost surely, 2^53446843458 is an apocalyptic number.

53446843458 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53446843458

53446843458 is an abundant number, since it is smaller than the sum of its proper divisors (66549362391).

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

53446843458 is an equidigital number, since it uses as much as digits as its factorization.

53446843458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824 (or 1913 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 54.

The spelling of 53446843458 in words is "fifty-three billion, four hundred forty-six million, eight hundred forty-three thousand, four hundred fifty-eight".