647588055 has 32 divisors (see below), whose sum is σ = 1098512064. Its totient is φ = 324642816.

The previous prime is 647588033. The next prime is 647588083. The reversal of 647588055 is 550885746.

It is not a de Polignac number, because 647588055 - 2¹¹ = 647586007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 647587995 and 647588013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314409 + ... + 316461.

It is an arithmetic number, because the mean of its divisors is an integer number (34328502).

Almost surely, 2^647588055 is an apocalyptic number.

647588055 is a deficient number, since it is larger than the sum of its proper divisors (450924009).

647588055 is a wasteful number, since it uses less digits than its factorization.

647588055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315.

The product of its (nonzero) digits is 1344000, while the sum is 48.

The square root of 647588055 is about 25447.7514723796. The cubic root of 647588055 is about 865.1663306280.

The spelling of 647588055 in words is "six hundred forty-seven million, five hundred eighty-eight thousand, fifty-five".