53725452761 has 2 divisors, whose sum is σ = 53725452762. Its totient is φ = 53725452760.

The previous prime is 53725452721. The next prime is 53725452787. The reversal of 53725452761 is 16725452735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40032006400 + 13693446361 = 200080^2 + 117019^2 .

It is a cyclic number.

It is not a de Polignac number, because 53725452761 - 2²² = 53721258457 is a prime.

It is not a weakly prime, because it can be changed into another prime (53725452721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26862726380 + 26862726381.

It is an arithmetic number, because the mean of its divisors is an integer number (26862726381).

Almost surely, 2^53725452761 is an apocalyptic number.

It is an amenable number.

53725452761 is a deficient number, since it is larger than the sum of its proper divisors (1).

53725452761 is an equidigital number, since it uses as much as digits as its factorization.

53725452761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1764000, while the sum is 47.

The spelling of 53725452761 in words is "fifty-three billion, seven hundred twenty-five million, four hundred fifty-two thousand, seven hundred sixty-one".