53809692 has 48 divisors (see below), whose sum is σ = 136553760. Its totient is φ = 16422912.

The previous prime is 53809663. The next prime is 53809697. The reversal of 53809692 is 29690835.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53809697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3984 + ... + 11112.

It is an arithmetic number, because the mean of its divisors is an integer number (2844870).

Almost surely, 2^53809692 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 53809692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68276880).

53809692 is an abundant number, since it is smaller than the sum of its proper divisors (82744068).

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

53809692 is a wasteful number, since it uses less digits than its factorization.

53809692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7190 (or 7188 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 53809692 is about 7335.5089802958. The cubic root of 53809692 is about 377.5317681553.

The spelling of 53809692 in words is "fifty-three million, eight hundred nine thousand, six hundred ninety-two".