53723402 has 8 divisors (see below), whose sum is σ = 80619300. Its totient is φ = 26850304.

The previous prime is 53723387. The next prime is 53723419. The reversal of 53723402 is 20432735.

It can be written as a sum of positive squares in 2 ways, for example, as 44609041 + 9114361 = 6679^2 + 3019^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 10692.

Almost surely, 2^53723402 is an apocalyptic number.

53723402 is a deficient number, since it is larger than the sum of its proper divisors (26895898).

53723402 is a wasteful number, since it uses less digits than its factorization.

53723402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11400.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 53723402 is about 7329.6249562989. The cubic root of 53723402 is about 377.3298550528.

The spelling of 53723402 in words is "fifty-three million, seven hundred twenty-three thousand, four hundred two".