53439401 has 8 divisors (see below), whose sum is σ = 54378240. Its totient is φ = 52504848.

The previous prime is 53439389. The next prime is 53439409. The reversal of 53439401 is 10493435.

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

It is a cyclic number.

It is not a de Polignac number, because 53439401 - 2¹⁰ = 53438377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53439409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33320 + ... + 34886.

It is an arithmetic number, because the mean of its divisors is an integer number (6797280).

Almost surely, 2^53439401 is an apocalyptic number.

It is an amenable number.

53439401 is a deficient number, since it is larger than the sum of its proper divisors (938839).

53439401 is a wasteful number, since it uses less digits than its factorization.

53439401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 53439401 is about 7310.2257831068. The cubic root of 53439401 is about 376.6637800529.

The spelling of 53439401 in words is "fifty-three million, four hundred thirty-nine thousand, four hundred one".