53530388779989 has 64 divisors (see below), whose sum is σ = 80328824911872. Its totient is φ = 31431075667200.

The previous prime is 53530388779961. The next prime is 53530388779993. The reversal of 53530388779989 is 98997788303535.

It is not a de Polignac number, because 53530388779989 - 2⁸ = 53530388779733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53530388779909) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1742113344 + ... + 1742144070.

It is an arithmetic number, because the mean of its divisors is an integer number (1255137889248).

Almost surely, 2^{53530388779989} is an apocalyptic number.

It is an amenable number.

53530388779989 is a deficient number, since it is larger than the sum of its proper divisors (26798436131883).

53530388779989 is a wasteful number, since it uses less digits than its factorization.

53530388779989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43786.

The product of its (nonzero) digits is 12345177600, while the sum is 84.

The spelling of 53530388779989 in words is "fifty-three trillion, five hundred thirty billion, three hundred eighty-eight million, seven hundred seventy-nine thousand, nine hundred eighty-nine".