53870056 has 32 divisors (see below), whose sum is σ = 104148000. Its totient is φ = 26107200.

The previous prime is 53870053. The next prime is 53870057. The reversal of 53870056 is 65007835.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53870053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50731 + ... + 51781.

It is an arithmetic number, because the mean of its divisors is an integer number (3254625).

Almost surely, 2^53870056 is an apocalyptic number.

It is an amenable number.

53870056 is a deficient number, since it is larger than the sum of its proper divisors (50277944).

53870056 is a wasteful number, since it uses less digits than its factorization.

53870056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1245 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 53870056 is about 7339.6223336082. The cubic root of 53870056 is about 377.6728877837.

It can be divided in two parts, 538700 and 56, that added together give a square (538756 = 734²).

The spelling of 53870056 in words is "fifty-three million, eight hundred seventy thousand, fifty-six".