53256406 has 8 divisors (see below), whose sum is σ = 91296720. Its totient is φ = 22824168.

The previous prime is 53256323. The next prime is 53256433. The reversal of 53256406 is 60465235.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1902001 + ... + 1902028.

It is an arithmetic number, because the mean of its divisors is an integer number (11412090).

Almost surely, 2^53256406 is an apocalyptic number.

53256406 is a deficient number, since it is larger than the sum of its proper divisors (38040314).

53256406 is a wasteful number, since it uses less digits than its factorization.

53256406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804038.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53256406 is about 7297.6986783506. The cubic root of 53256406 is about 376.2333459882.

The spelling of 53256406 in words is "fifty-three million, two hundred fifty-six thousand, four hundred six".