57273084912 has 80 divisors (see below), whose sum is σ = 149963616000. Its totient is φ = 18832906752.

The previous prime is 57273084907. The next prime is 57273084919. The reversal of 57273084912 is 21948037275.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57273084919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1860139 + ... + 1890677.

It is an arithmetic number, because the mean of its divisors is an integer number (1874545200).

Almost surely, 2^57273084912 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 57273084912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74981808000).

57273084912 is an abundant number, since it is smaller than the sum of its proper divisors (92690531088).

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

57273084912 is a wasteful number, since it uses less digits than its factorization.

57273084912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31078 (or 31072 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 57273084912 in words is "fifty-seven billion, two hundred seventy-three million, eighty-four thousand, nine hundred twelve".