53021433012 has 24 divisors (see below), whose sum is σ = 126348948096. Its totient is φ = 17297772288.

The previous prime is 53021432993. The next prime is 53021433013. The reversal of 53021433012 is 21033412035.

It is a super-2 number, since 2×53021433012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53021433013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47004253 + ... + 47005380.

It is an arithmetic number, because the mean of its divisors is an integer number (5264539504).

Almost surely, 2^53021433012 is an apocalyptic number.

It is an amenable number.

53021433012 is an abundant number, since it is smaller than the sum of its proper divisors (73327515084).

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

53021433012 is a wasteful number, since it uses less digits than its factorization.

53021433012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94009687 (or 94009685 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 53021433012 its reverse (21033412035), we get a palindrome (74054845047).

The spelling of 53021433012 in words is "fifty-three billion, twenty-one million, four hundred thirty-three thousand, twelve".