53061263 has 4 divisors (see below), whose sum is σ = 53078040. Its totient is φ = 53044488.

The previous prime is 53061251. The next prime is 53061287. The reversal of 53061263 is 36216035.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53061263 - 2⁴ = 53061247 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 (53061223) 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, 2045 + ... + 10502.

It is an arithmetic number, because the mean of its divisors is an integer number (13269510).

Almost surely, 2^53061263 is an apocalyptic number.

53061263 is a deficient number, since it is larger than the sum of its proper divisors (16777).

53061263 is a wasteful number, since it uses less digits than its factorization.

53061263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 53061263 is about 7284.3162342117. The cubic root of 53061263 is about 375.7732500918.

Adding to 53061263 its reverse (36216035), we get a palindrome (89277298).

The spelling of 53061263 in words is "fifty-three million, sixty-one thousand, two hundred sixty-three".