53201649 has 16 divisors (see below), whose sum is σ = 72676224. Its totient is φ = 34608000.

The previous prime is 53201647. The next prime is 53201651. The reversal of 53201649 is 94610235.

It is an interprime number because it is at equal distance from previous prime (53201647) and next prime (53201651).

It is not a de Polignac number, because 53201649 - 2¹ = 53201647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53201647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20277 + ... + 22749.

It is an arithmetic number, because the mean of its divisors is an integer number (4542264).

Almost surely, 2^53201649 is an apocalyptic number.

It is an amenable number.

53201649 is a deficient number, since it is larger than the sum of its proper divisors (19474575).

53201649 is a wasteful number, since it uses less digits than its factorization.

53201649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 53201649 is about 7293.9460513497. The cubic root of 53201649 is about 376.1043569736.

The spelling of 53201649 in words is "fifty-three million, two hundred one thousand, six hundred forty-nine".