352721055 has 16 divisors (see below), whose sum is σ = 583814880. Its totient is φ = 181630848.

The previous prime is 352721053. The next prime is 352721059. The reversal of 352721055 is 550127253.

It is not a de Polignac number, because 352721055 - 2¹ = 352721053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352721053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404992 + ... + 405861.

It is an arithmetic number, because the mean of its divisors is an integer number (36488430).

Almost surely, 2^352721055 is an apocalyptic number.

352721055 is a deficient number, since it is larger than the sum of its proper divisors (231093825).

352721055 is a wasteful number, since it uses less digits than its factorization.

352721055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810890.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 352721055 is about 18780.8693888222. The cubic root of 352721055 is about 706.5514547795.

The spelling of 352721055 in words is "three hundred fifty-two million, seven hundred twenty-one thousand, fifty-five".