52762261 has 4 divisors (see below), whose sum is σ = 52849792. Its totient is φ = 52674732.

The previous prime is 52762249. The next prime is 52762289. The reversal of 52762261 is 16226725.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52762261 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 (52762201) 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, 42855 + ... + 44068.

It is an arithmetic number, because the mean of its divisors is an integer number (13212448).

Almost surely, 2^52762261 is an apocalyptic number.

It is an amenable number.

52762261 is a deficient number, since it is larger than the sum of its proper divisors (87531).

52762261 is an equidigital number, since it uses as much as digits as its factorization.

52762261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87530.

The product of its digits is 10080, while the sum is 31.

The square root of 52762261 is about 7263.7635561739. The cubic root of 52762261 is about 375.0660885003.

Adding to 52762261 its reverse (16226725), we get a palindrome (68988986).

The spelling of 52762261 in words is "fifty-two million, seven hundred sixty-two thousand, two hundred sixty-one".