53213522043 has 32 divisors (see below), whose sum is σ = 82015649280. Its totient is φ = 30330882560.

The previous prime is 53213522041. The next prime is 53213522069. The reversal of 53213522043 is 34022531235.

It is not a de Polignac number, because 53213522043 - 2¹ = 53213522041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53213522043.

It is not an unprimeable number, because it can be changed into a prime (53213522041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 732193 + ... + 801581.

It is an arithmetic number, because the mean of its divisors is an integer number (2562989040).

Almost surely, 2^53213522043 is an apocalyptic number.

53213522043 is a deficient number, since it is larger than the sum of its proper divisors (28802127237).

53213522043 is a wasteful number, since it uses less digits than its factorization.

53213522043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70787.

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 53213522043 in words is "fifty-three billion, two hundred thirteen million, five hundred twenty-two thousand, forty-three".