57263872 has 72 divisors (see below), whose sum is σ = 122926160. Its totient is φ = 26542080.

The previous prime is 57263867. The next prime is 57263873. The reversal of 57263872 is 27836275.

It is a super-3 number, since 3×57263872³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57263873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296608 + ... + 296800.

Almost surely, 2^57263872 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 57263872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61463080).

57263872 is an abundant number, since it is smaller than the sum of its proper divisors (65662288).

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

57263872 is a wasteful number, since it uses less digits than its factorization.

57263872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 275 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 57263872 is about 7567.2896072504. The cubic root of 57263872 is about 385.4430655610.

The spelling of 57263872 in words is "fifty-seven million, two hundred sixty-three thousand, eight hundred seventy-two".