57116514 has 64 divisors (see below), whose sum is σ = 142619904. Its totient is φ = 14846976.

The previous prime is 57116509. The next prime is 57116519. The reversal of 57116514 is 41561175.

It is an interprime number because it is at equal distance from previous prime (57116509) and next prime (57116519).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57116519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39142 + ... + 40574.

It is an arithmetic number, because the mean of its divisors is an integer number (2228436).

Almost surely, 2^57116514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57116514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71309952).

57116514 is an abundant number, since it is smaller than the sum of its proper divisors (85503390).

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

57116514 is a wasteful number, since it uses less digits than its factorization.

57116514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531.

The product of its digits is 4200, while the sum is 30.

The square root of 57116514 is about 7557.5468242016. The cubic root of 57116514 is about 385.1121593726.

Adding to 57116514 its reverse (41561175), we get a palindrome (98677689).

It can be divided in two parts, 57116 and 514, that added together give a triangular number (57630 = T₃₃₉).

The spelling of 57116514 in words is "fifty-seven million, one hundred sixteen thousand, five hundred fourteen".