53530415261 has 4 divisors (see below), whose sum is σ = 53560439712. Its totient is φ = 53500390812.

The previous prime is 53530415249. The next prime is 53530415273. The reversal of 53530415261 is 16251403535.

53530415261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 16251403535 = 5 ⋅3250280707.

It is an interprime number because it is at equal distance from previous prime (53530415249) and next prime (53530415273).

It is a cyclic number.

It is not a de Polignac number, because 53530415261 - 2¹⁴ = 53530398877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530417261) 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, 15009551 + ... + 15013116.

It is an arithmetic number, because the mean of its divisors is an integer number (13390109928).

Almost surely, 2^53530415261 is an apocalyptic number.

It is an amenable number.

53530415261 is a deficient number, since it is larger than the sum of its proper divisors (30024451).

53530415261 is a wasteful number, since it uses less digits than its factorization.

53530415261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30024450.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 53530415261 its reverse (16251403535), we get a palindrome (69781818796).

The spelling of 53530415261 in words is "fifty-three billion, five hundred thirty million, four hundred fifteen thousand, two hundred sixty-one".