553864473 has 10 divisors (see below), whose sum is σ = 827377914. Its totient is φ = 369242928.

The previous prime is 553864453. The next prime is 553864481. The reversal of 553864473 is 374468355.

553864473 is a `hidden beast` number, since 5 + 538 + 6 + 44 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 332807049 + 221057424 = 18243^2 + 14868^2 .

It is not a de Polignac number, because 553864473 - 2²⁰ = 552815897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (553864453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3418836 + ... + 3418997.

Almost surely, 2^553864473 is an apocalyptic number.

It is an amenable number.

553864473 is a deficient number, since it is larger than the sum of its proper divisors (273513441).

553864473 is an equidigital number, since it uses as much as digits as its factorization.

553864473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837845 (or 6837836 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 553864473 is about 23534.3254205427. The cubic root of 553864473 is about 821.2357300329.

The spelling of 553864473 in words is "five hundred fifty-three million, eight hundred sixty-four thousand, four hundred seventy-three".