53813694 has 32 divisors (see below), whose sum is σ = 118909440. Its totient is φ = 16099200.

The previous prime is 53813693. The next prime is 53813699. The reversal of 53813694 is 49631835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53813693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54 + ... + 10374.

It is an arithmetic number, because the mean of its divisors is an integer number (3715920).

Almost surely, 2^53813694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53813694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59454720).

53813694 is an abundant number, since it is smaller than the sum of its proper divisors (65095746).

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

53813694 is a wasteful number, since it uses less digits than its factorization.

53813694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10416.

The product of its digits is 77760, while the sum is 39.

The square root of 53813694 is about 7335.7817579315. The cubic root of 53813694 is about 377.5411273409.

The spelling of 53813694 in words is "fifty-three million, eight hundred thirteen thousand, six hundred ninety-four".