57611016 has 96 divisors (see below), whose sum is σ = 161211960. Its totient is φ = 18579456.

The previous prime is 57611009. The next prime is 57611017. The reversal of 57611016 is 61011675.

It can be written as a sum of positive squares in 4 ways, for example, as 33108516 + 24502500 = 5754^2 + 4950^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57611017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 509776 + ... + 509888.

Almost surely, 2^57611016 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 57611016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80605980).

57611016 is an abundant number, since it is smaller than the sum of its proper divisors (103600944).

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

57611016 is a wasteful number, since it uses less digits than its factorization.

57611016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 57611016 is about 7590.1920924309. The cubic root of 57611016 is about 386.2203722522.

The spelling of 57611016 in words is "fifty-seven million, six hundred eleven thousand, sixteen".