53806662 has 96 divisors (see below), whose sum is σ = 145297152. Its totient is φ = 14012352.

The previous prime is 53806661. The next prime is 53806667. The reversal of 53806662 is 26660835.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53806661) 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 47 ways as a sum of consecutive naturals, for example, 175113 + ... + 175419.

It is an arithmetic number, because the mean of its divisors is an integer number (1513512).

Almost surely, 2^53806662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53806662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72648576).

53806662 is an abundant number, since it is smaller than the sum of its proper divisors (91490490).

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

53806662 is a wasteful number, since it uses less digits than its factorization.

53806662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 53806662 is about 7335.3024477522. The cubic root of 53806662 is about 377.5246818065.

The spelling of 53806662 in words is "fifty-three million, eight hundred six thousand, six hundred sixty-two".