53291401 has 4 divisors (see below), whose sum is σ = 53341252. Its totient is φ = 53241552.

The previous prime is 53291389. The next prime is 53291411. The reversal of 53291401 is 10419235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10419235 = 5 ⋅2083847.

It can be written as a sum of positive squares in 2 ways, for example, as 34810000 + 18481401 = 5900^2 + 4299^2 .

It is a cyclic number.

It is not a de Polignac number, because 53291401 - 2¹⁷ = 53160329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53291411) 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, 23286 + ... + 25471.

It is an arithmetic number, because the mean of its divisors is an integer number (13335313).

Almost surely, 2^53291401 is an apocalyptic number.

It is an amenable number.

53291401 is a deficient number, since it is larger than the sum of its proper divisors (49851).

53291401 is a wasteful number, since it uses less digits than its factorization.

53291401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49850.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 53291401 is about 7300.0959582734. The cubic root of 53291401 is about 376.3157360962.

The spelling of 53291401 in words is "fifty-three million, two hundred ninety-one thousand, four hundred one".