550720534 has 32 divisors (see below), whose sum is σ = 1029611520. Its totient is φ = 215104032.

The previous prime is 550720531. The next prime is 550720537. The reversal of 550720534 is 435027055.

It is an interprime number because it is at equal distance from previous prime (550720531) and next prime (550720537).

It is a junction number, because it is equal to n+sod(n) for n = 550720496 and 550720505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550720531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4774 + ... + 33529.

It is an arithmetic number, because the mean of its divisors is an integer number (32175360).

Almost surely, 2^550720534 is an apocalyptic number.

550720534 is a deficient number, since it is larger than the sum of its proper divisors (478890986).

550720534 is a wasteful number, since it uses less digits than its factorization.

550720534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38404.

The product of its (nonzero) digits is 21000, while the sum is 31.

The square root of 550720534 is about 23467.4356076671. The cubic root of 550720534 is about 819.6789016443.

Adding to 550720534 its reverse (435027055), we get a palindrome (985747589).

The spelling of 550720534 in words is "five hundred fifty million, seven hundred twenty thousand, five hundred thirty-four".