655560454 has 8 divisors (see below), whose sum is σ = 983478528. Its totient is φ = 327734280.

The previous prime is 655560377. The next prime is 655560463. The reversal of 655560454 is 454065556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×655560454² = 859519017697372232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 897 + ... + 36220.

It is an arithmetic number, because the mean of its divisors is an integer number (122934816).

Almost surely, 2^655560454 is an apocalyptic number.

655560454 is a deficient number, since it is larger than the sum of its proper divisors (327918074).

655560454 is a wasteful number, since it uses less digits than its factorization.

655560454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45950.

The product of its (nonzero) digits is 360000, while the sum is 40.

The square root of 655560454 is about 25603.9148178555. The cubic root of 655560454 is about 868.7021888082.

The spelling of 655560454 in words is "six hundred fifty-five million, five hundred sixty thousand, four hundred fifty-four".