53091989358 has 32 divisors (see below), whose sum is σ = 111153088512. Its totient is φ = 16885226400.

The previous prime is 53091989323. The next prime is 53091989359. The reversal of 53091989358 is 85398919035.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53091989359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1996941 + ... + 2023352.

It is an arithmetic number, because the mean of its divisors is an integer number (3473534016).

Almost surely, 2^53091989358 is an apocalyptic number.

53091989358 is an abundant number, since it is smaller than the sum of its proper divisors (58061099154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53091989358 is a wasteful number, since it uses less digits than its factorization.

53091989358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4020400.

The product of its (nonzero) digits is 10497600, while the sum is 60.

The spelling of 53091989358 in words is "fifty-three billion, ninety-one million, nine hundred eighty-nine thousand, three hundred fifty-eight".