561457454 has 16 divisors (see below), whose sum is σ = 866480208. Its totient is φ = 272745792.

The previous prime is 561457433. The next prime is 561457471. The reversal of 561457454 is 454754165.

561457454 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 18917 + ... + 38480.

It is an arithmetic number, because the mean of its divisors is an integer number (54155013).

Almost surely, 2^561457454 is an apocalyptic number.

561457454 is a deficient number, since it is larger than the sum of its proper divisors (305022754).

561457454 is a wasteful number, since it uses less digits than its factorization.

561457454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57539.

The product of its digits is 336000, while the sum is 41.

The square root of 561457454 is about 23695.0934583512. The cubic root of 561457454 is about 824.9715100048.

The spelling of 561457454 in words is "five hundred sixty-one million, four hundred fifty-seven thousand, four hundred fifty-four".