53378073912 has 128 divisors (see below), whose sum is σ = 140348160000. Its totient is φ = 16895347200.

The previous prime is 53378073887. The next prime is 53378073913. The reversal of 53378073912 is 21937087335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53378073913) 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 31 ways as a sum of consecutive naturals, for example, 22645438 + ... + 22647794.

It is an arithmetic number, because the mean of its divisors is an integer number (1096470000).

Almost surely, 2^53378073912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53378073912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70174080000).

53378073912 is an abundant number, since it is smaller than the sum of its proper divisors (86970086088).

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

53378073912 is a wasteful number, since it uses less digits than its factorization.

53378073912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 48.

The spelling of 53378073912 in words is "fifty-three billion, three hundred seventy-eight million, seventy-three thousand, nine hundred twelve".