57030553 has 2 divisors, whose sum is σ = 57030554. Its totient is φ = 57030552.

The previous prime is 57030541. The next prime is 57030583. The reversal of 57030553 is 35503075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54878464 + 2152089 = 7408^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 57030553 - 2¹⁷ = 56899481 is a prime.

It is not a weakly prime, because it can be changed into another prime (57030503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28515276 + 28515277.

It is an arithmetic number, because the mean of its divisors is an integer number (28515277).

Almost surely, 2^57030553 is an apocalyptic number.

It is an amenable number.

57030553 is a deficient number, since it is larger than the sum of its proper divisors (1).

57030553 is an equidigital number, since it uses as much as digits as its factorization.

57030553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 57030553 is about 7551.8575860513. The cubic root of 57030553 is about 384.9188629829.

The spelling of 57030553 in words is "fifty-seven million, thirty thousand, five hundred fifty-three".