53640192 has 88 divisors (see below), whose sum is σ = 150659200. Its totient is φ = 16920576.

The previous prime is 53640179. The next prime is 53640193. The reversal of 53640192 is 29104635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53640193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57909 + ... + 58827.

Almost surely, 2^53640192 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 53640192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75329600).

53640192 is an abundant number, since it is smaller than the sum of its proper divisors (97019008).

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

53640192 is a wasteful number, since it uses less digits than its factorization.

53640192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 943 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53640192 is about 7323.9464771392. The cubic root of 53640192 is about 377.1349440816.

The spelling of 53640192 in words is "fifty-three million, six hundred forty thousand, one hundred ninety-two".