561547050 has 24 divisors (see below), whose sum is σ = 1392637056. Its totient is φ = 149745840.

The previous prime is 561547037. The next prime is 561547069. The reversal of 561547050 is 50745165.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 1871674 + ... + 1871973.

It is an arithmetic number, because the mean of its divisors is an integer number (58026544).

Almost surely, 2^561547050 is an apocalyptic number.

561547050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561547050 is an abundant number, since it is smaller than the sum of its proper divisors (831090006).

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

561547050 is a wasteful number, since it uses less digits than its factorization.

561547050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3743662 (or 3743657 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 561547050 is about 23696.9839853092. The cubic root of 561547050 is about 825.0153899792.

The spelling of 561547050 in words is "five hundred sixty-one million, five hundred forty-seven thousand, fifty".