550345251515 has 16 divisors (see below), whose sum is σ = 676656499680. Its totient is φ = 429452340480.

The previous prime is 550345251493. The next prime is 550345251529. The reversal of 550345251515 is 515152543055.

It is not a de Polignac number, because 550345251515 - 2⁶ = 550345251451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776396 + ... + 1305174.

It is an arithmetic number, because the mean of its divisors is an integer number (42291031230).

Almost surely, 2^550345251515 is an apocalyptic number.

550345251515 is a deficient number, since it is larger than the sum of its proper divisors (126311248165).

550345251515 is a wasteful number, since it uses less digits than its factorization.

550345251515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533902.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 550345251515 in words is "five hundred fifty billion, three hundred forty-five million, two hundred fifty-one thousand, five hundred fifteen".