475553557 has 2 divisors, whose sum is σ = 475553558. Its totient is φ = 475553556.

The previous prime is 475553539. The next prime is 475553581. The reversal of 475553557 is 755355574.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 356983236 + 118570321 = 18894^2 + 10889^2 .

It is a cyclic number.

It is not a de Polignac number, because 475553557 - 2¹¹ = 475551509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (475553587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237776778 + 237776779.

It is an arithmetic number, because the mean of its divisors is an integer number (237776779).

Almost surely, 2^475553557 is an apocalyptic number.

It is an amenable number.

475553557 is a deficient number, since it is larger than the sum of its proper divisors (1).

475553557 is an equidigital number, since it uses as much as digits as its factorization.

475553557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837500, while the sum is 46.

The square root of 475553557 is about 21807.1904884605. The cubic root of 475553557 is about 780.5483526294.

The spelling of 475553557 in words is "four hundred seventy-five million, five hundred fifty-three thousand, five hundred fifty-seven".