550530351 has 24 divisors (see below), whose sum is σ = 942474624. Its totient is φ = 314587800.

The previous prime is 550530311. The next prime is 550530353. The reversal of 550530351 is 153035055.

It is not a de Polignac number, because 550530351 - 2²¹ = 548433199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550530353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160125 + ... + 163526.

It is an arithmetic number, because the mean of its divisors is an integer number (39269776).

Almost surely, 2^550530351 is an apocalyptic number.

550530351 is a deficient number, since it is larger than the sum of its proper divisors (391944273).

550530351 is an equidigital number, since it uses as much as digits as its factorization.

550530351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323673 (or 323661 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 27.

The square root of 550530351 is about 23463.3831959502. The cubic root of 550530351 is about 819.5845362139.

The spelling of 550530351 in words is "five hundred fifty million, five hundred thirty thousand, three hundred fifty-one".