561454600 has 48 divisors (see below), whose sum is σ = 1491868800. Its totient is φ = 192498240.

The previous prime is 561454591. The next prime is 561454627. The reversal of 561454600 is 6454165.

It is a super-2 number, since 2×561454600² = 630462535722320000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 199120 + ... + 201919.

It is an arithmetic number, because the mean of its divisors is an integer number (31080600).

Almost surely, 2^561454600 is an apocalyptic number.

561454600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561454600 is an abundant number, since it is smaller than the sum of its proper divisors (930414200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561454600 is a wasteful number, since it uses less digits than its factorization.

561454600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401062 (or 401053 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 561454600 is about 23695.0332348364. The cubic root of 561454600 is about 824.9701121710.

The spelling of 561454600 in words is "five hundred sixty-one million, four hundred fifty-four thousand, six hundred".