550563457 has 8 divisors (see below), whose sum is σ = 564552072. Its totient is φ = 536601600.

The previous prime is 550563451. The next prime is 550563467. The reversal of 550563457 is 754365055.

It can be written as a sum of positive squares in 4 ways, for example, as 9024016 + 541539441 = 3004^2 + 23271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550563457 - 2³ = 550563449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550563451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38857 + ... + 51097.

It is an arithmetic number, because the mean of its divisors is an integer number (70569009).

Almost surely, 2^550563457 is an apocalyptic number.

It is an amenable number.

550563457 is a deficient number, since it is larger than the sum of its proper divisors (13988615).

550563457 is a wasteful number, since it uses less digits than its factorization.

550563457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13379.

The product of its (nonzero) digits is 315000, while the sum is 40.

The square root of 550563457 is about 23464.0886675788. The cubic root of 550563457 is about 819.6009643859.

The spelling of 550563457 in words is "five hundred fifty million, five hundred sixty-three thousand, four hundred fifty-seven".