53421726 has 32 divisors (see below), whose sum is σ = 109243008. Its totient is φ = 17411040.

The previous prime is 53421689. The next prime is 53421743. The reversal of 53421726 is 62712435.

It is a junction number, because it is equal to n+sod(n) for n = 53421693 and 53421702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82761 + ... + 83403.

It is an arithmetic number, because the mean of its divisors is an integer number (3413844).

Almost surely, 2^53421726 is an apocalyptic number.

53421726 is an abundant number, since it is smaller than the sum of its proper divisors (55821282).

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

53421726 is a wasteful number, since it uses less digits than its factorization.

53421726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936.

The product of its digits is 10080, while the sum is 30.

The square root of 53421726 is about 7309.0167601395. The cubic root of 53421726 is about 376.6222484843.

The spelling of 53421726 in words is "fifty-three million, four hundred twenty-one thousand, seven hundred twenty-six".