57311514 has 48 divisors (see below), whose sum is σ = 134388072. Its totient is φ = 17547264.

The previous prime is 57311491. The next prime is 57311519. The reversal of 57311514 is 41511375.

It can be written as a sum of positive squares in 4 ways, for example, as 52316289 + 4995225 = 7233^2 + 2235^2 .

It is not an unprimeable number, because it can be changed into a prime (57311519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59662 + ... + 60614.

Almost surely, 2^57311514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57311514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67194036).

57311514 is an abundant number, since it is smaller than the sum of its proper divisors (77076558).

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

57311514 is a wasteful number, since it uses less digits than its factorization.

57311514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1228 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 57311514 is about 7570.4368434061. The cubic root of 57311514 is about 385.5499286823.

Adding to 57311514 its reverse (41511375), we get a palindrome (98822889).

The spelling of 57311514 in words is "fifty-seven million, three hundred eleven thousand, five hundred fourteen".