57255336 has 80 divisors (see below), whose sum is σ = 161716500. Its totient is φ = 18925056.

The previous prime is 57255301. The next prime is 57255343. The reversal of 57255336 is 63355275.

57255336 is a `hidden beast` number, since 5 + 72 + 553 + 36 = 666.

57255336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55800900 + 1454436 = 7470^2 + 1206^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 57255336.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 96256 + ... + 96848.

Almost surely, 2^57255336 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 57255336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80858250).

57255336 is an abundant number, since it is smaller than the sum of its proper divisors (104461164).

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

57255336 is a wasteful number, since it uses less digits than its factorization.

57255336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 747 counting only the distinct ones).

The product of its digits is 94500, while the sum is 36.

The square root of 57255336 is about 7566.7255798000. The cubic root of 57255336 is about 385.4239126734.

The spelling of 57255336 in words is "fifty-seven million, two hundred fifty-five thousand, three hundred thirty-six".