53030639 has 2 divisors, whose sum is σ = 53030640. Its totient is φ = 53030638.

The previous prime is 53030629. The next prime is 53030669. The reversal of 53030639 is 93603035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53030639 - 2⁴ = 53030623 is a prime.

It is a Chen prime.

It is equal to p_3171764 and since 53030639 and 3171764 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53030629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26515319 + 26515320.

It is an arithmetic number, because the mean of its divisors is an integer number (26515320).

Almost surely, 2^53030639 is an apocalyptic number.

53030639 is a deficient number, since it is larger than the sum of its proper divisors (1).

53030639 is an equidigital number, since it uses as much as digits as its factorization.

53030639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 53030639 is about 7282.2138804075. The cubic root of 53030639 is about 375.7009443963.

The spelling of 53030639 in words is "fifty-three million, thirty thousand, six hundred thirty-nine".