57227738 has 4 divisors (see below), whose sum is σ = 85841610. Its totient is φ = 28613868.

The previous prime is 57227719. The next prime is 57227761. The reversal of 57227738 is 83772275.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39980329 + 17247409 = 6323^2 + 4153^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57227695 and 57227704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14306933 + ... + 14306936.

Almost surely, 2^57227738 is an apocalyptic number.

57227738 is a deficient number, since it is larger than the sum of its proper divisors (28613872).

57227738 is a wasteful number, since it uses less digits than its factorization.

57227738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28613871.

The product of its digits is 164640, while the sum is 41.

The square root of 57227738 is about 7564.9017178018. The cubic root of 57227738 is about 385.3619758631.

The spelling of 57227738 in words is "fifty-seven million, two hundred twenty-seven thousand, seven hundred thirty-eight".