57273012 has 18 divisors (see below), whose sum is σ = 144773538. Its totient is φ = 19090992.

The previous prime is 57273001. The next prime is 57273037. The reversal of 57273012 is 21037275.

It can be written as a sum of positive squares in only one way, i.e., 48944016 + 8328996 = 6996^2 + 2886^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 795423 + ... + 795494.

Almost surely, 2^57273012 is an apocalyptic number.

It is an amenable number.

57273012 is an abundant number, since it is smaller than the sum of its proper divisors (87500526).

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

57273012 is a wasteful number, since it uses less digits than its factorization.

57273012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590927 (or 1590922 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 57273012 is about 7567.8934981935. The cubic root of 57273012 is about 385.4635715803.

The spelling of 57273012 in words is "fifty-seven million, two hundred seventy-three thousand, twelve".