57280116 has 24 divisors (see below), whose sum is σ = 136914624. Its totient is φ = 18627520.

The previous prime is 57280103. The next prime is 57280129. The reversal of 57280116 is 61108275.

It is an interprime number because it is at equal distance from previous prime (57280103) and next prime (57280129).

It is a congruent number.

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, 57720 + ... + 58703.

It is an arithmetic number, because the mean of its divisors is an integer number (5704776).

Almost surely, 2^57280116 is an apocalyptic number.

It is an amenable number.

57280116 is an abundant number, since it is smaller than the sum of its proper divisors (79634508).

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

57280116 is a wasteful number, since it uses less digits than its factorization.

57280116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116471 (or 116469 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 57280116 is about 7568.3628348540. The cubic root of 57280116 is about 385.4795082313.

The spelling of 57280116 in words is "fifty-seven million, two hundred eighty thousand, one hundred sixteen".