57097000 has 32 divisors (see below), whose sum is σ = 133609320. Its totient is φ = 22838400.

The previous prime is 57096961. The next prime is 57097003. The reversal of 57097000 is 79075.

It can be written as a sum of positive squares in 4 ways, for example, as 3602404 + 53494596 = 1898^2 + 7314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 57097000.

It is not an unprimeable number, because it can be changed into a prime (57097003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27549 + ... + 29548.

Almost surely, 2^57097000 is an apocalyptic number.

57097000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57097000 is an abundant number, since it is smaller than the sum of its proper divisors (76512320).

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

57097000 is a wasteful number, since it uses less digits than its factorization.

57097000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57118 (or 57104 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 28.

The square root of 57097000 is about 7556.2556865156. The cubic root of 57097000 is about 385.0682961991.

The spelling of 57097000 in words is "fifty-seven million, ninety-seven thousand".