53445948912 has 60 divisors (see below), whose sum is σ = 149676701824. Its totient is φ = 17803134720.

The previous prime is 53445948883. The next prime is 53445948931. The reversal of 53445948912 is 21984954435.

It is a happy number.

53445948912 is a `hidden beast` number, since 5 + 3 + 44 + 594 + 8 + 9 + 1 + 2 = 666.

It is a super-2 number, since 2×53445948912² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 85668 + ... + 337980.

Almost surely, 2^53445948912 is an apocalyptic number.

It is an amenable number.

53445948912 is an abundant number, since it is smaller than the sum of its proper divisors (96230752912).

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

53445948912 is a wasteful number, since it uses less digits than its factorization.

53445948912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253798 (or 253789 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 53445948912 in words is "fifty-three billion, four hundred forty-five million, nine hundred forty-eight thousand, nine hundred twelve".