57239000 has 256 divisors, whose sum is σ = 179262720. Its totient is φ = 16588800.

The previous prime is 57238999. The next prime is 57239033. The reversal of 57239000 is 93275.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1546982 + ... + 1547018.

It is an arithmetic number, because the mean of its divisors is an integer number (700245).

Almost surely, 2^57239000 is an apocalyptic number.

57239000 is a gapful number since it is divisible by the number (50) 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 57239000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89631360).

57239000 is an abundant number, since it is smaller than the sum of its proper divisors (122023720).

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

57239000 is a wasteful number, since it uses less digits than its factorization.

57239000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 57239000 is about 7565.6460398303. The cubic root of 57239000 is about 385.3872530106.

The spelling of 57239000 in words is "fifty-seven million, two hundred thirty-nine thousand".