53255040 has 64 divisors (see below), whose sum is σ = 169756560. Its totient is φ = 14200832.

The previous prime is 53255039. The next prime is 53255047. The reversal of 53255040 is 4055235.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 53255040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53255047) 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 7 ways as a sum of consecutive naturals, for example, 11949 + ... + 15788.

Almost surely, 2^53255040 is an apocalyptic number.

It is an amenable number.

53255040 is an abundant number, since it is smaller than the sum of its proper divisors (116501520).

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

53255040 is a wasteful number, since it uses less digits than its factorization.

53255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27759 (or 27747 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 53255040 is about 7297.6050866020. The cubic root of 53255040 is about 376.2301292288.

The spelling of 53255040 in words is "fifty-three million, two hundred fifty-five thousand, forty".