53124761 has 2 divisors, whose sum is σ = 53124762. Its totient is φ = 53124760.

The previous prime is 53124749. The next prime is 53124763. The reversal of 53124761 is 16742135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51036736 + 2088025 = 7144^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 53124761 - 2²² = 48930457 is a prime.

Together with 53124763, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53124763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26562380 + 26562381.

It is an arithmetic number, because the mean of its divisors is an integer number (26562381).

Almost surely, 2^53124761 is an apocalyptic number.

It is an amenable number.

53124761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53124761 is an equidigital number, since it uses as much as digits as its factorization.

53124761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 29.

The square root of 53124761 is about 7288.6734732734. The cubic root of 53124761 is about 375.9230853123.

Adding to 53124761 its reverse (16742135), we get a palindrome (69866896).

The spelling of 53124761 in words is "fifty-three million, one hundred twenty-four thousand, seven hundred sixty-one".