53451332012 has 24 divisors (see below), whose sum is σ = 101020606176. Its totient is φ = 24599950848.

The previous prime is 53451332003. The next prime is 53451332059. The reversal of 53451332012 is 21023315435.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1437608 + ... + 1474319.

It is an arithmetic number, because the mean of its divisors is an integer number (4209191924).

Almost surely, 2^53451332012 is an apocalyptic number.

53451332012 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53451332012 is a deficient number, since it is larger than the sum of its proper divisors (47569274164).

53451332012 is a wasteful number, since it uses less digits than its factorization.

53451332012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2912297 (or 2912295 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 53451332012 its reverse (21023315435), we get a palindrome (74474647447).

The spelling of 53451332012 in words is "fifty-three billion, four hundred fifty-one million, three hundred thirty-two thousand, twelve".