57553229 has 2 divisors, whose sum is σ = 57553230. Its totient is φ = 57553228.

The previous prime is 57553219. The next prime is 57553247. The reversal of 57553229 is 92235575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47955625 + 9597604 = 6925^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 57553229 - 2¹² = 57549133 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 57553192 and 57553201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57553219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28776614 + 28776615.

It is an arithmetic number, because the mean of its divisors is an integer number (28776615).

Almost surely, 2^57553229 is an apocalyptic number.

It is an amenable number.

57553229 is a deficient number, since it is larger than the sum of its proper divisors (1).

57553229 is an equidigital number, since it uses as much as digits as its factorization.

57553229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94500, while the sum is 38.

The square root of 57553229 is about 7586.3844484708. The cubic root of 57553229 is about 386.0911956665.

The spelling of 57553229 in words is "fifty-seven million, five hundred fifty-three thousand, two hundred twenty-nine".