53917326144 has 336 divisors, whose sum is σ = 173016769536. Its totient is φ = 15913497600.

The previous prime is 53917326143. The next prime is 53917326161. The reversal of 53917326144 is 44162371935.

53917326144 is a `hidden beast` number, since 539 + 1 + 73 + 2 + 6 + 1 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 53917326144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53917326143) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98568879 + ... + 98569425.

Almost surely, 2^53917326144 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 53917326144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86508384768).

53917326144 is an abundant number, since it is smaller than the sum of its proper divisors (119099443392).

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

53917326144 is a wasteful number, since it uses less digits than its factorization.

53917326144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 941 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The spelling of 53917326144 in words is "fifty-three billion, nine hundred seventeen million, three hundred twenty-six thousand, one hundred forty-four".