655039506 has 16 divisors (see below), whose sum is σ = 1429177248. Its totient is φ = 198496800.

The previous prime is 655039477. The next prime is 655039507. The reversal of 655039506 is 605930556.

It is not an unprimeable number, because it can be changed into a prime (655039507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4962355 + ... + 4962486.

It is an arithmetic number, because the mean of its divisors is an integer number (89323578).

Almost surely, 2^655039506 is an apocalyptic number.

655039506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

655039506 is an abundant number, since it is smaller than the sum of its proper divisors (774137742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655039506 is a wasteful number, since it uses less digits than its factorization.

655039506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9924857.

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 655039506 is about 25593.7395860785. The cubic root of 655039506 is about 868.4720200560.

It can be divided in two parts, 6550 and 39506, that added together give a triangular number (46056 = T₃₀₃).

The spelling of 655039506 in words is "six hundred fifty-five million, thirty-nine thousand, five hundred six".