561426455 has 8 divisors (see below), whose sum is σ = 673924704. Its totient is φ = 448999200.

The previous prime is 561426449. The next prime is 561426469. The reversal of 561426455 is 554624165.

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

It is not a de Polignac number, because 561426455 - 2⁶ = 561426391 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 7 ways as a sum of consecutive naturals, for example, 1565 + ... + 33545.

It is an arithmetic number, because the mean of its divisors is an integer number (84240588).

Almost surely, 2^561426455 is an apocalyptic number.

561426455 is a deficient number, since it is larger than the sum of its proper divisors (112498249).

561426455 is a wasteful number, since it uses less digits than its factorization.

561426455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35497.

The product of its digits is 144000, while the sum is 38.

The square root of 561426455 is about 23694.4393265593. The cubic root of 561426455 is about 824.9563270423.

The spelling of 561426455 in words is "five hundred sixty-one million, four hundred twenty-six thousand, four hundred fifty-five".