53981652 has 24 divisors (see below), whose sum is σ = 126376096. Its totient is φ = 17934048.

The previous prime is 53981651. The next prime is 53981687. The reversal of 53981652 is 25618935.

It is a self number, because there is not a number n which added to its sum of digits gives 53981652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53981651) 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, 3643 + ... + 11010.

Almost surely, 2^53981652 is an apocalyptic number.

It is an amenable number.

53981652 is an abundant number, since it is smaller than the sum of its proper divisors (72394444).

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

53981652 is a wasteful number, since it uses less digits than its factorization.

53981652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967 (or 14965 counting only the distinct ones).

The product of its digits is 64800, while the sum is 39.

The square root of 53981652 is about 7347.2206990127. The cubic root of 53981652 is about 377.9335008015.

The spelling of 53981652 in words is "fifty-three million, nine hundred eighty-one thousand, six hundred fifty-two".