57050240 has 64 divisors (see below), whose sum is σ = 146898360. Its totient is φ = 21061632.

The previous prime is 57050237. The next prime is 57050251. The reversal of 57050240 is 4205075.

It can be written as a sum of positive squares in 4 ways, for example, as 16192576 + 40857664 = 4024^2 + 6392^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4892 + ... + 11748.

Almost surely, 2^57050240 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 57050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73449180).

57050240 is an abundant number, since it is smaller than the sum of its proper divisors (89848120).

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

57050240 is a wasteful number, since it uses less digits than its factorization.

57050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889 (or 6877 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 57050240 is about 7553.1609277176. The cubic root of 57050240 is about 384.9631493374.

The spelling of 57050240 in words is "fifty-seven million, fifty thousand, two hundred forty".