550715 has 32 divisors (see below), whose sum is σ = 829440. Its totient is φ = 345600.

The previous prime is 550703. The next prime is 550717. The reversal of 550715 is 517055.

It is not a de Polignac number, because 550715 - 2⁶ = 550651 is a prime.

It is a super-2 number, since 2×550715² = 606574022450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550717) 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 31 ways as a sum of consecutive naturals, for example, 17750 + ... + 17780.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2⁵⁵⁰⁷¹⁵ is an apocalyptic number.

550715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550715 is a deficient number, since it is larger than the sum of its proper divisors (278725).

550715 is a wasteful number, since it uses less digits than its factorization.

550715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83.

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 550715 is about 742.1017450458. The cubic root of 550715 is about 81.9676156079.

The spelling of 550715 in words is "five hundred fifty thousand, seven hundred fifteen".