53505888 has 48 divisors (see below), whose sum is σ = 140943600. Its totient is φ = 17773056.

The previous prime is 53505883. The next prime is 53505901. The reversal of 53505888 is 88850535.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505883) 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, 32706 + ... + 34302.

It is an arithmetic number, because the mean of its divisors is an integer number (2936325).

Almost surely, 2^53505888 is an apocalyptic number.

It is an amenable number.

53505888 is an abundant number, since it is smaller than the sum of its proper divisors (87437712).

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

53505888 is a wasteful number, since it uses less digits than its factorization.

53505888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1951 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 42.

The square root of 53505888 is about 7314.7719034841. The cubic root of 53505888 is about 376.8199249294.

The spelling of 53505888 in words is "fifty-three million, five hundred five thousand, eight hundred eighty-eight".