53653904 has 20 divisors (see below), whose sum is σ = 110069964. Its totient is φ = 25248768.

The previous prime is 53653903. The next prime is 53653913. The reversal of 53653904 is 40935635.

It can be written as a sum of positive squares in 2 ways, for example, as 49843600 + 3810304 = 7060^2 + 1952^2 .

It is not an unprimeable number, because it can be changed into a prime (53653903) 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 3 ways as a sum of consecutive naturals, for example, 98357 + ... + 98900.

Almost surely, 2^53653904 is an apocalyptic number.

It is an amenable number.

53653904 is an abundant number, since it is smaller than the sum of its proper divisors (56416060).

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

53653904 is a wasteful number, since it uses less digits than its factorization.

53653904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197282 (or 197276 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The square root of 53653904 is about 7324.8825246553. The cubic root of 53653904 is about 377.1670769133.

The spelling of 53653904 in words is "fifty-three million, six hundred fifty-three thousand, nine hundred four".