53247401 has 4 divisors (see below), whose sum is σ = 53292372. Its totient is φ = 53202432.

The previous prime is 53247361. The next prime is 53247407. The reversal of 53247401 is 10474235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10474235 = 5 ⋅2094847.

It can be written as a sum of positive squares in 2 ways, for example, as 21381376 + 31866025 = 4624^2 + 5645^2 .

It is a cyclic number.

It is not a de Polignac number, because 53247401 - 2¹⁰ = 53246377 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 (53247407) 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, 20660 + ... + 23093.

It is an arithmetic number, because the mean of its divisors is an integer number (13323093).

Almost surely, 2^53247401 is an apocalyptic number.

It is an amenable number.

53247401 is a deficient number, since it is larger than the sum of its proper divisors (44971).

53247401 is a wasteful number, since it uses less digits than its factorization.

53247401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44970.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 53247401 is about 7297.0816769446. The cubic root of 53247401 is about 376.2121393234.

The spelling of 53247401 in words is "fifty-three million, two hundred forty-seven thousand, four hundred one".