561227854 has 16 divisors (see below), whose sum is σ = 920381616. Its totient is φ = 254545600.

The previous prime is 561227839. The next prime is 561227861. The reversal of 561227854 is 458722165.

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, 17527 + ... + 37810.

It is an arithmetic number, because the mean of its divisors is an integer number (57523851).

Almost surely, 2^561227854 is an apocalyptic number.

561227854 is a deficient number, since it is larger than the sum of its proper divisors (359153762).

561227854 is a wasteful number, since it uses less digits than its factorization.

561227854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55811.

The product of its digits is 134400, while the sum is 40.

The square root of 561227854 is about 23690.2480780595. The cubic root of 561227854 is about 824.8590412371.

The spelling of 561227854 in words is "five hundred sixty-one million, two hundred twenty-seven thousand, eight hundred fifty-four".