53625261 has 16 divisors (see below), whose sum is σ = 73338624. Its totient is φ = 34837824.

The previous prime is 53625223. The next prime is 53625281. The reversal of 53625261 is 16252635.

It is not a de Polignac number, because 53625261 - 2¹⁰ = 53624237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53625281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38371 + ... + 39743.

It is an arithmetic number, because the mean of its divisors is an integer number (4583664).

Almost surely, 2^53625261 is an apocalyptic number.

It is an amenable number.

53625261 is a deficient number, since it is larger than the sum of its proper divisors (19713363).

53625261 is a wasteful number, since it uses less digits than its factorization.

53625261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1700.

The product of its digits is 10800, while the sum is 30.

The square root of 53625261 is about 7322.9270787029. The cubic root of 53625261 is about 377.0999484052.

Adding to 53625261 its reverse (16252635), we get a palindrome (69877896).

The spelling of 53625261 in words is "fifty-three million, six hundred twenty-five thousand, two hundred sixty-one".