57811104 has 96 divisors (see below), whose sum is σ = 181621440. Its totient is φ = 17784576.

The previous prime is 57811097. The next prime is 57811157. The reversal of 57811104 is 40111875.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 8659 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (1891890).

Almost surely, 2^57811104 is an apocalyptic number.

57811104 is a gapful number since it is divisible by the number (54) 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 57811104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90810720).

57811104 is an abundant number, since it is smaller than the sum of its proper divisors (123810336).

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

57811104 is a wasteful number, since it uses less digits than its factorization.

57811104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5179 (or 5165 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 57811104 is about 7603.3613619241. The cubic root of 57811104 is about 386.6669811069. Note that the first 3 decimals are identical.

Adding to 57811104 its reverse (40111875), we get a palindrome (97922979).

The spelling of 57811104 in words is "fifty-seven million, eight hundred eleven thousand, one hundred four".