57104280 has 96 divisors (see below), whose sum is σ = 187200000. Its totient is φ = 15095808.

The previous prime is 57104231. The next prime is 57104287. The reversal of 57104280 is 8240175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57104287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45096 + ... + 46344.

It is an arithmetic number, because the mean of its divisors is an integer number (1950000).

Almost surely, 2^57104280 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 57104280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93600000).

57104280 is an abundant number, since it is smaller than the sum of its proper divisors (130095720).

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

57104280 is a wasteful number, since it uses less digits than its factorization.

57104280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 57104280 is about 7556.7373912291. The cubic root of 57104280 is about 385.0846612040.

The spelling of 57104280 in words is "fifty-seven million, one hundred four thousand, two hundred eighty".