57291088 has 40 divisors (see below), whose sum is σ = 118063872. Its totient is φ = 26838528.

The previous prime is 57291083. The next prime is 57291103. The reversal of 57291088 is 88019275.

It is a self number, because there is not a number n which added to its sum of digits gives 57291088.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57291083) 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, 94081 + ... + 94687.

Almost surely, 2^57291088 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 57291088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59031936).

57291088 is an abundant number, since it is smaller than the sum of its proper divisors (60772784).

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

57291088 is a wasteful number, since it uses less digits than its factorization.

57291088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 57291088 is about 7569.0876596853. The cubic root of 57291088 is about 385.5041195126.

The spelling of 57291088 in words is "fifty-seven million, two hundred ninety-one thousand, eighty-eight".