655560455 has 12 divisors (see below), whose sum is σ = 864690456. Its totient is φ = 476770800.

The previous prime is 655560377. The next prime is 655560463. The reversal of 655560455 is 554065556.

It is not a de Polignac number, because 655560455 - 2¹² = 655556359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 541181 + ... + 542390.

It is an arithmetic number, because the mean of its divisors is an integer number (72057538).

Almost surely, 2^655560455 is an apocalyptic number.

655560455 is a deficient number, since it is larger than the sum of its proper divisors (209130001).

655560455 is a wasteful number, since it uses less digits than its factorization.

655560455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083598 (or 1083587 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The square root of 655560455 is about 25603.9148373838. The cubic root of 655560455 is about 868.7021892499.

The spelling of 655560455 in words is "six hundred fifty-five million, five hundred sixty thousand, four hundred fifty-five".