550401499 has 4 divisors (see below), whose sum is σ = 551308864. Its totient is φ = 549494136.

The previous prime is 550401487. The next prime is 550401517. The reversal of 550401499 is 994104055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-550401499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550401479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452772 + ... + 453985.

It is an arithmetic number, because the mean of its divisors is an integer number (137827216).

Almost surely, 2^550401499 is an apocalyptic number.

550401499 is a deficient number, since it is larger than the sum of its proper divisors (907365).

550401499 is an equidigital number, since it uses as much as digits as its factorization.

550401499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907364.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 550401499 is about 23460.6372249349. The cubic root of 550401499 is about 819.5205897869.

The spelling of 550401499 in words is "five hundred fifty million, four hundred one thousand, four hundred ninety-nine".