57016722 has 32 divisors (see below), whose sum is σ = 131624064. Its totient is φ = 16128000.

The previous prime is 57016721. The next prime is 57016733. The reversal of 57016722 is 22761075.

It is a self number, because there is not a number n which added to its sum of digits gives 57016722.

It is not an unprimeable number, because it can be changed into a prime (57016721) 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, 2479 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (4113252).

Almost surely, 2^57016722 is an apocalyptic number.

57016722 is an abundant number, since it is smaller than the sum of its proper divisors (74607342).

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

57016722 is a wasteful number, since it uses less digits than its factorization.

57016722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 57016722 is about 7550.9417955643. The cubic root of 57016722 is about 384.8877437381.

Adding to 57016722 its reverse (22761075), we get a palindrome (79777797).

The spelling of 57016722 in words is "fifty-seven million, sixteen thousand, seven hundred twenty-two".