53494753536 has 1080 divisors, whose sum is σ = 208078627680. Its totient is φ = 13544423424.

The previous prime is 53494753523. The next prime is 53494753547. The reversal of 53494753536 is 63535749435.

53494753536 is a `hidden beast` number, since 5 + 34 + 9 + 4 + 75 + 3 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 328188591 + ... + 328188753.

It is an arithmetic number, because the mean of its divisors is an integer number (192665396).

Almost surely, 2^53494753536 is an apocalyptic number.

53494753536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53494753536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104039313840).

53494753536 is an abundant number, since it is smaller than the sum of its proper divisors (154583874144).

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

53494753536 is a wasteful number, since it uses less digits than its factorization.

53494753536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 211 counting only the distinct ones).

The product of its digits is 20412000, while the sum is 54.

The spelling of 53494753536 in words is "fifty-three billion, four hundred ninety-four million, seven hundred fifty-three thousand, five hundred thirty-six".