53240056 has 32 divisors (see below), whose sum is σ = 109350000. Its totient is φ = 24188416.

The previous prime is 53240023. The next prime is 53240087. The reversal of 53240056 is 65004235.

It is a self number, because there is not a number n which added to its sum of digits gives 53240056.

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, 2806 + ... + 10693.

Almost surely, 2^53240056 is an apocalyptic number.

It is an amenable number.

53240056 is an abundant number, since it is smaller than the sum of its proper divisors (56109944).

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

53240056 is a wasteful number, since it uses less digits than its factorization.

53240056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13551 (or 13547 counting only the distinct ones).

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

The square root of 53240056 is about 7296.5783761980. The cubic root of 53240056 is about 376.1948401678.

The spelling of 53240056 in words is "fifty-three million, two hundred forty thousand, fifty-six".