57035280 has 80 divisors (see below), whose sum is σ = 178542144. Its totient is φ = 15060480.

The previous prime is 57035249. The next prime is 57035287. The reversal of 57035280 is 8253075.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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

It is not an unprimeable number, because it can be changed into a prime (57035287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24570 + ... + 26790.

Almost surely, 2^57035280 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 57035280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89271072).

57035280 is an abundant number, since it is smaller than the sum of its proper divisors (121506864).

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

57035280 is a wasteful number, since it uses less digits than its factorization.

57035280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2344 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57035280 is about 7552.1705489217. The cubic root of 57035280 is about 384.9294974066.

The spelling of 57035280 in words is "fifty-seven million, thirty-five thousand, two hundred eighty".