57404000 has 96 divisors (see below), whose sum is σ = 143410176. Its totient is φ = 22579200.

The previous prime is 57403993. The next prime is 57404029. The reversal of 57404000 is 40475.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 451937 + ... + 452063.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^57404000 is an apocalyptic number.

57404000 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 57404000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71705088).

57404000 is an abundant number, since it is smaller than the sum of its proper divisors (86006176).

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

57404000 is a wasteful number, since it uses less digits than its factorization.

57404000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265 (or 247 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 57404000 is about 7576.5427471902. The cubic root of 57404000 is about 385.7572099333.

Adding to 57404000 its reverse (40475), we get a palindrome (57444475).

The spelling of 57404000 in words is "fifty-seven million, four hundred four thousand".