53423646 has 16 divisors (see below), whose sum is σ = 107529744. Its totient is φ = 17694144.

The previous prime is 53423621. The next prime is 53423651. The reversal of 53423646 is 64632435.

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, 27415 + ... + 29298.

It is an arithmetic number, because the mean of its divisors is an integer number (6720609).

Almost surely, 2^53423646 is an apocalyptic number.

53423646 is an abundant number, since it is smaller than the sum of its proper divisors (54106098).

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

53423646 is a wasteful number, since it uses less digits than its factorization.

53423646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56875.

The product of its digits is 51840, while the sum is 33.

The square root of 53423646 is about 7309.1481035754. The cubic root of 53423646 is about 376.6267604193.

The spelling of 53423646 in words is "fifty-three million, four hundred twenty-three thousand, six hundred forty-six".