57006224 has 20 divisors (see below), whose sum is σ = 120490800. Its totient is φ = 25911840.

The previous prime is 57006197. The next prime is 57006239. The reversal of 57006224 is 42260075.

It is a junction number, because it is equal to n+sod(n) for n = 57006193 and 57006202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161774 + ... + 162125.

It is an arithmetic number, because the mean of its divisors is an integer number (6024540).

Almost surely, 2^57006224 is an apocalyptic number.

It is an amenable number.

57006224 is an abundant number, since it is smaller than the sum of its proper divisors (63484576).

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

57006224 is a wasteful number, since it uses less digits than its factorization.

57006224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323918 (or 323912 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 57006224 is about 7550.2466184887. The cubic root of 57006224 is about 384.8641202617.

Adding to 57006224 its reverse (42260075), we get a palindrome (99266299).

The spelling of 57006224 in words is "fifty-seven million, six thousand, two hundred twenty-four".