53053639 has 2 divisors, whose sum is σ = 53053640. Its totient is φ = 53053638.

The previous prime is 53053633. The next prime is 53053657. The reversal of 53053639 is 93635035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53053639 - 2⁵ = 53053607 is a prime.

It is a super-2 number, since 2×53053639² = 5629377222284642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53053633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26526819 + 26526820.

It is an arithmetic number, because the mean of its divisors is an integer number (26526820).

Almost surely, 2^53053639 is an apocalyptic number.

53053639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53053639 is an equidigital number, since it uses as much as digits as its factorization.

53053639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 53053639 is about 7283.7928993073. The cubic root of 53053639 is about 375.7552518239.

The spelling of 53053639 in words is "fifty-three million, fifty-three thousand, six hundred thirty-nine".