550156056605 has 16 divisors (see below), whose sum is σ = 678422881584. Its totient is φ = 428035499520.

The previous prime is 550156056589. The next prime is 550156056629. The reversal of 550156056605 is 506650651055.

It can be written as a sum of positive squares in 8 ways, for example, as 154148893924 + 396007162681 = 392618^2 + 629291^2 .

It is not a de Polignac number, because 550156056605 - 2⁴ = 550156056589 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 4167962 + ... + 4297931.

It is an arithmetic number, because the mean of its divisors is an integer number (42401430099).

Almost surely, 2^550156056605 is an apocalyptic number.

It is an amenable number.

550156056605 is a deficient number, since it is larger than the sum of its proper divisors (128266824979).

550156056605 is a wasteful number, since it uses less digits than its factorization.

550156056605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466256.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 550156056605 in words is "five hundred fifty billion, one hundred fifty-six million, fifty-six thousand, six hundred five".