53631601 has 4 divisors (see below), whose sum is σ = 54643572. Its totient is φ = 52619632.

The previous prime is 53631593. The next prime is 53631619. The reversal of 53631601 is 10613635.

53631601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17631601 + 36000000 = 4199^2 + 6000^2 .

It is a cyclic number.

It is not a de Polignac number, because 53631601 - 2³ = 53631593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53631631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505906 + ... + 506011.

It is an arithmetic number, because the mean of its divisors is an integer number (13660893).

Almost surely, 2^53631601 is an apocalyptic number.

It is an amenable number.

53631601 is a deficient number, since it is larger than the sum of its proper divisors (1011971).

53631601 is a wasteful number, since it uses less digits than its factorization.

53631601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011970.

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

The square root of 53631601 is about 7323.3599529178. The cubic root of 53631601 is about 377.1148090599.

The spelling of 53631601 in words is "fifty-three million, six hundred thirty-one thousand, six hundred one".