53404382 has 8 divisors (see below), whose sum is σ = 82690752. Its totient is φ = 25840800.

The previous prime is 53404369. The next prime is 53404387. The reversal of 53404382 is 28340435.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53404387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430619 + ... + 430742.

It is an arithmetic number, because the mean of its divisors is an integer number (10336344).

Almost surely, 2^53404382 is an apocalyptic number.

53404382 is a deficient number, since it is larger than the sum of its proper divisors (29286370).

53404382 is a wasteful number, since it uses less digits than its factorization.

53404382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861394.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 53404382 is about 7307.8301841244. The cubic root of 53404382 is about 376.5814857722.

The spelling of 53404382 in words is "fifty-three million, four hundred four thousand, three hundred eighty-two".