53056240 has 20 divisors (see below), whose sum is σ = 123355944. Its totient is φ = 21222464.

The previous prime is 53056231. The next prime is 53056259. The reversal of 53056240 is 4265035.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331522 + ... + 331681.

Almost surely, 2^53056240 is an apocalyptic number.

It is an amenable number.

53056240 is an abundant number, since it is smaller than the sum of its proper divisors (70299704).

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

53056240 is a wasteful number, since it uses less digits than its factorization.

53056240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663216 (or 663210 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53056240 is about 7283.9714442054. The cubic root of 53056240 is about 375.7613922977.

The spelling of 53056240 in words is "fifty-three million, fifty-six thousand, two hundred forty".