53020101 has 4 divisors (see below), whose sum is σ = 70693472. Its totient is φ = 35346732.

The previous prime is 53020081. The next prime is 53020109. The reversal of 53020101 is 10102035.

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.

It is not a de Polignac number, because 53020101 - 2⁵ = 53020069 is a prime.

It is a super-2 number, since 2×53020101² = 5622262220100402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53020109) by changing a digit.

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, 8836681 + ... + 8836686.

It is an arithmetic number, because the mean of its divisors is an integer number (17673368).

Almost surely, 2^53020101 is an apocalyptic number.

It is an amenable number.

53020101 is a deficient number, since it is larger than the sum of its proper divisors (17673371).

53020101 is a wasteful number, since it uses less digits than its factorization.

53020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17673370.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 53020101 is about 7281.4903007557. The cubic root of 53020101 is about 375.6760569042.

Adding to 53020101 its reverse (10102035), we get a palindrome (63122136).

The spelling of 53020101 in words is "fifty-three million, twenty thousand, one hundred one".