53493696 has 140 divisors (see below), whose sum is σ = 168176448. Its totient is φ = 16754688.

The previous prime is 53493659. The next prime is 53493703. The reversal of 53493696 is 69639435.

It is a happy number.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

Its product of digits (524880) is a multiple of the sum of its prime factors (648).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 87825 + ... + 88431.

Almost surely, 2^53493696 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 53493696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84088224).

53493696 is an abundant number, since it is smaller than the sum of its proper divisors (114682752).

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

53493696 is a wasteful number, since it uses less digits than its factorization.

53493696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 629 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The square root of 53493696 is about 7313.9384739004. The cubic root of 53493696 is about 376.7913016776.

It can be divided in two parts, 5349 and 3696, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 53493696 in words is "fifty-three million, four hundred ninety-three thousand, six hundred ninety-six".