53003642 has 8 divisors (see below), whose sum is σ = 79550100. Its totient is φ = 26486944.

The previous prime is 53003641. The next prime is 53003651. The reversal of 53003642 is 24630035.

53003642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48846121 + 4157521 = 6989^2 + 2039^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (53003641) 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, 2267 + ... + 10542.

Almost surely, 2^53003642 is an apocalyptic number.

53003642 is a deficient number, since it is larger than the sum of its proper divisors (26546458).

53003642 is a wasteful number, since it uses less digits than its factorization.

53003642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14880.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53003642 is about 7280.3600185705. The cubic root of 53003642 is about 375.6371792456.

Adding to 53003642 its reverse (24630035), we get a palindrome (77633677).

The spelling of 53003642 in words is "fifty-three million, three thousand, six hundred forty-two".