550404531215 has 48 divisors (see below), whose sum is σ = 853981742880. Its totient is φ = 336635470080.

The previous prime is 550404531199. The next prime is 550404531221. The reversal of 550404531215 is 512135404055.

It is not a de Polignac number, because 550404531215 - 2⁴ = 550404531199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1783880 + ... + 2069549.

It is an arithmetic number, because the mean of its divisors is an integer number (17791286310).

Almost surely, 2^550404531215 is an apocalyptic number.

550404531215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550404531215 is a deficient number, since it is larger than the sum of its proper divisors (303577211665).

550404531215 is a wasteful number, since it uses less digits than its factorization.

550404531215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853512 (or 3853505 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 550404531215 in words is "five hundred fifty billion, four hundred four million, five hundred thirty-one thousand, two hundred fifteen".