53443534212 has 48 divisors (see below), whose sum is σ = 139214040000. Its totient is φ = 17730074880.

The previous prime is 53443534211. The next prime is 53443534241. The reversal of 53443534212 is 21243534435.

53443534212 is a `hidden beast` number, since 5 + 3 + 4 + 435 + 3 + 4 + 212 = 666.

It is a super-2 number, since 2×53443534212² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53443534211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149837 + ... + 1195412.

It is an arithmetic number, because the mean of its divisors is an integer number (2900292500).

Almost surely, 2^53443534212 is an apocalyptic number.

It is an amenable number.

53443534212 is an abundant number, since it is smaller than the sum of its proper divisors (85770505788).

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

53443534212 is a wasteful number, since it uses less digits than its factorization.

53443534212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345473 (or 2345465 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The spelling of 53443534212 in words is "fifty-three billion, four hundred forty-three million, five hundred thirty-four thousand, two hundred twelve".