57454320 has 160 divisors (see below), whose sum is σ = 222128640. Its totient is φ = 11934720.

The previous prime is 57454301. The next prime is 57454333. The reversal of 57454320 is 2345475.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16926 + ... + 20034.

It is an arithmetic number, because the mean of its divisors is an integer number (1388304).

Almost surely, 2^57454320 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 57454320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111064320).

57454320 is an abundant number, since it is smaller than the sum of its proper divisors (164674320).

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

57454320 is a wasteful number, since it uses less digits than its factorization.

57454320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3143 (or 3137 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 57454320 is about 7579.8627955920. The cubic root of 57454320 is about 385.8698944943.

Adding to 57454320 its reverse (2345475), we get a palindrome (59799795).

The spelling of 57454320 in words is "fifty-seven million, four hundred fifty-four thousand, three hundred twenty".