57445300 has 36 divisors (see below), whose sum is σ = 135991296. Its totient is φ = 20888800.

The previous prime is 57445273. The next prime is 57445309. The reversal of 57445300 is 354475.

57445300 = T₁₂₀₀ + T₁₂₀₁ + ... + T₁₂₇₄.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57445309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25012 + ... + 27211.

It is an arithmetic number, because the mean of its divisors is an integer number (3777536).

Almost surely, 2^57445300 is an apocalyptic number.

57445300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57445300 is an abundant number, since it is smaller than the sum of its proper divisors (78545996).

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

57445300 is a wasteful number, since it uses less digits than its factorization.

57445300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52248 (or 52241 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 57445300 is about 7579.2677746600. The cubic root of 57445300 is about 385.8497003145.

Adding to 57445300 its reverse (354475), we get a palindrome (57799775).

The spelling of 57445300 in words is "fifty-seven million, four hundred forty-five thousand, three hundred".