53006761 has 2 divisors, whose sum is σ = 53006762. Its totient is φ = 53006760.

The previous prime is 53006753. The next prime is 53006771. The reversal of 53006761 is 16760035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51566761 + 1440000 = 7181^2 + 1200^2 .

It is a cyclic number.

It is not a de Polignac number, because 53006761 - 2³ = 53006753 is a prime.

It is a super-2 number, since 2×53006761² = 5619433423422242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53006771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26503380 + 26503381.

It is an arithmetic number, because the mean of its divisors is an integer number (26503381).

Almost surely, 2^53006761 is an apocalyptic number.

It is an amenable number.

53006761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53006761 is an equidigital number, since it uses as much as digits as its factorization.

53006761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 53006761 is about 7280.5742218592. The cubic root of 53006761 is about 375.6445472260.

Adding to 53006761 its reverse (16760035), we get a palindrome (69766796).

The spelling of 53006761 in words is "fifty-three million, six thousand, seven hundred sixty-one".