53529767639 has 2 divisors, whose sum is σ = 53529767640. Its totient is φ = 53529767638.

The previous prime is 53529767617. The next prime is 53529767651. The reversal of 53529767639 is 93676792535.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53529767639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53529767339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26764883819 + 26764883820.

It is an arithmetic number, because the mean of its divisors is an integer number (26764883820).

Almost surely, 2^53529767639 is an apocalyptic number.

53529767639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53529767639 is an equidigital number, since it uses as much as digits as its factorization.

53529767639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64297800, while the sum is 62.

The spelling of 53529767639 in words is "fifty-three billion, five hundred twenty-nine million, seven hundred sixty-seven thousand, six hundred thirty-nine".