550215401504 has 24 divisors (see below), whose sum is σ = 1085113967868. Its totient is φ = 274630901760.

The previous prime is 550215401471. The next prime is 550215401507. The reversal of 550215401504 is 405104512055.

It can be written as a sum of positive squares in 2 ways, for example, as 543540511504 + 6674890000 = 737252^2 + 81700^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (550215401507) 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 3 ways as a sum of consecutive naturals, for example, 14881217 + ... + 14918144.

Almost surely, 2^550215401504 is an apocalyptic number.

It is an amenable number.

550215401504 is a deficient number, since it is larger than the sum of its proper divisors (534898566364).

550215401504 is a wasteful number, since it uses less digits than its factorization.

550215401504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29799948 (or 29799940 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 550215401504 its reverse (405104512055), we get a palindrome (955319913559).

The spelling of 550215401504 in words is "five hundred fifty billion, two hundred fifteen million, four hundred one thousand, five hundred four".