53100013 has 4 divisors (see below), whose sum is σ = 53260768. Its totient is φ = 52939260.

The previous prime is 53100007. The next prime is 53100017. The reversal of 53100013 is 31000135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31000135 = 5 ⋅6200027.

It is a cyclic number.

It is not a de Polignac number, because 53100013 - 2¹³ = 53091821 is a prime.

It is a super-2 number, since 2×53100013² = 5639222761200338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53099966 and 53100002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53100017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79881 + ... + 80542.

It is an arithmetic number, because the mean of its divisors is an integer number (13315192).

Almost surely, 2^53100013 is an apocalyptic number.

It is an amenable number.

53100013 is a deficient number, since it is larger than the sum of its proper divisors (160755).

53100013 is a wasteful number, since it uses less digits than its factorization.

53100013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160754.

The product of its (nonzero) digits is 45, while the sum is 13.

The square root of 53100013 is about 7286.9755728972. The cubic root of 53100013 is about 375.8647020565.

Adding to 53100013 its reverse (31000135), we get a palindrome (84100148).

The spelling of 53100013 in words is "fifty-three million, one hundred thousand, thirteen".