57173400 has 144 divisors (see below), whose sum is σ = 200500560. Its totient is φ = 14572800.

The previous prime is 57173387. The next prime is 57173401. The reversal of 57173400 is 437175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57173401) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40710 + ... + 42090.

It is an arithmetic number, because the mean of its divisors is an integer number (1392365).

Almost surely, 2^57173400 is an apocalyptic number.

57173400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57173400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100250280).

57173400 is an abundant number, since it is smaller than the sum of its proper divisors (143327160).

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

57173400 is a wasteful number, since it uses less digits than its factorization.

57173400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1414 counting only the distinct ones).

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

The square root of 57173400 is about 7561.3094104130. The cubic root of 57173400 is about 385.2399695846.

The spelling of 57173400 in words is "fifty-seven million, one hundred seventy-three thousand, four hundred".