53390401 has 8 divisors (see below), whose sum is σ = 55448064. Its totient is φ = 51353760.

The previous prime is 53390377. The next prime is 53390411. The reversal of 53390401 is 10409335.

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 53390401 - 2⁷ = 53390273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53390411) 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, 21 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (6931008).

Almost surely, 2^53390401 is an apocalyptic number.

It is an amenable number.

53390401 is a deficient number, since it is larger than the sum of its proper divisors (2057663).

53390401 is a wasteful number, since it uses less digits than its factorization.

53390401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10511.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 53390401 is about 7306.8735448207. The cubic root of 53390401 is about 376.5486205211.

Adding to 53390401 its reverse (10409335), we get a palindrome (63799736).

The spelling of 53390401 in words is "fifty-three million, three hundred ninety thousand, four hundred one".