53287406 has 8 divisors (see below), whose sum is σ = 81790104. Its totient is φ = 26024040.

The previous prime is 53287379. The next prime is 53287427. The reversal of 53287406 is 60478235.

It is a happy number.

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

It is a Curzon number.

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, 309725 + ... + 309896.

It is an arithmetic number, because the mean of its divisors is an integer number (10223763).

Almost surely, 2^53287406 is an apocalyptic number.

53287406 is a deficient number, since it is larger than the sum of its proper divisors (28502698).

53287406 is a wasteful number, since it uses less digits than its factorization.

53287406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619666.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 53287406 is about 7299.8223266049. The cubic root of 53287406 is about 376.3063323343.

The spelling of 53287406 in words is "fifty-three million, two hundred eighty-seven thousand, four hundred six".