57006533 has 2 divisors, whose sum is σ = 57006534. Its totient is φ = 57006532.

The previous prime is 57006511. The next prime is 57006553. The reversal of 57006533 is 33560075.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46881409 + 10125124 = 6847^2 + 3182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57006533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57006496 and 57006505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57006553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28503266 + 28503267.

It is an arithmetic number, because the mean of its divisors is an integer number (28503267).

Almost surely, 2^57006533 is an apocalyptic number.

It is an amenable number.

57006533 is a deficient number, since it is larger than the sum of its proper divisors (1).

57006533 is an equidigital number, since it uses as much as digits as its factorization.

57006533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 57006533 is about 7550.2670813687. The cubic root of 57006533 is about 384.8648156408.

The spelling of 57006533 in words is "fifty-seven million, six thousand, five hundred thirty-three".