53201440 has 24 divisors (see below), whose sum is σ = 125688780. Its totient is φ = 21280512.

The previous prime is 53201431. The next prime is 53201459. The reversal of 53201440 is 4410235.

It can be written as a sum of positive squares in 2 ways, for example, as 52475536 + 725904 = 7244^2 + 852^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166095 + ... + 166414.

Almost surely, 2^53201440 is an apocalyptic number.

It is an amenable number.

53201440 is an abundant number, since it is smaller than the sum of its proper divisors (72487340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53201440 is a wasteful number, since it uses less digits than its factorization.

53201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332524 (or 332516 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 53201440 is about 7293.9317243857. The cubic root of 53201440 is about 376.1038644707.

Adding to 53201440 its reverse (4410235), we get a palindrome (57611675).

The spelling of 53201440 in words is "fifty-three million, two hundred one thousand, four hundred forty".