53625840 has 40 divisors (see below), whose sum is σ = 166240848. Its totient is φ = 14300160.

The previous prime is 53625829. The next prime is 53625889. The reversal of 53625840 is 4852635.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111481 + ... + 111960.

Almost surely, 2^53625840 is an apocalyptic number.

It is an amenable number.

53625840 is an abundant number, since it is smaller than the sum of its proper divisors (112615008).

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

53625840 is a wasteful number, since it uses less digits than its factorization.

53625840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223457 (or 223451 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 53625840 is about 7322.9666119681. The cubic root of 53625840 is about 377.1013056020.

The spelling of 53625840 in words is "fifty-three million, six hundred twenty-five thousand, eight hundred forty".