57068550 has 288 divisors, whose sum is σ = 201487104. Its totient is φ = 11664000.

The previous prime is 57068513. The next prime is 57068563. The reversal of 57068550 is 5586075.

57068550 is a `hidden beast` number, since 570 + 6 + 85 + 5 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 935520 + ... + 935580.

It is an arithmetic number, because the mean of its divisors is an integer number (699608).

Almost surely, 2^57068550 is an apocalyptic number.

57068550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 57068550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100743552).

57068550 is an abundant number, since it is smaller than the sum of its proper divisors (144418554).

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

57068550 is a wasteful number, since it uses less digits than its factorization.

57068550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The square root of 57068550 is about 7554.3729058076. The cubic root of 57068550 is about 385.0043289557.

Adding to 57068550 its sum of digits (36), we get a triangular number (57068586 = T₁₀₆₈₃).

The spelling of 57068550 in words is "fifty-seven million, sixty-eight thousand, five hundred fifty".