53666802 has 48 divisors (see below), whose sum is σ = 134289792. Its totient is φ = 15171840.

The previous prime is 53666783. The next prime is 53666803. The reversal of 53666802 is 20866635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53666803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10027 + ... + 14417.

It is an arithmetic number, because the mean of its divisors is an integer number (2797704).

Almost surely, 2^53666802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53666802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67144896).

53666802 is an abundant number, since it is smaller than the sum of its proper divisors (80622990).

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

53666802 is a wasteful number, since it uses less digits than its factorization.

53666802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4503 (or 4500 counting only the distinct ones).

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

The square root of 53666802 is about 7325.7628954260. The cubic root of 53666802 is about 377.1972972131.

The spelling of 53666802 in words is "fifty-three million, six hundred sixty-six thousand, eight hundred two".