53501013 has 32 divisors (see below), whose sum is σ = 83623680. Its totient is φ = 33739200.

The previous prime is 53500999. The next prime is 53501051. The reversal of 53501013 is 31010535.

It is a happy number.

It is not a de Polignac number, because 53501013 - 2⁸ = 53500757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53501083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62295 + ... + 63147.

It is an arithmetic number, because the mean of its divisors is an integer number (2613240).

Almost surely, 2^53501013 is an apocalyptic number.

It is an amenable number.

53501013 is a deficient number, since it is larger than the sum of its proper divisors (30122667).

53501013 is a wasteful number, since it uses less digits than its factorization.

53501013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53501013 is about 7314.4386660905. The cubic root of 53501013 is about 376.8084803763.

Adding to 53501013 its reverse (31010535), we get a palindrome (84511548).

The spelling of 53501013 in words is "fifty-three million, five hundred one thousand, thirteen".