561378050 has 24 divisors (see below), whose sum is σ = 1051797636. Its totient is φ = 222909440.

The previous prime is 561378019. The next prime is 561378071. The reversal of 561378050 is 50873165.

It can be written as a sum of positive squares in 6 ways, for example, as 156925729 + 404452321 = 12527^2 + 20111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 561378050.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34127 + ... + 47826.

Almost surely, 2^561378050 is an apocalyptic number.

561378050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

561378050 is a deficient number, since it is larger than the sum of its proper divisors (490419586).

561378050 is a wasteful number, since it uses less digits than its factorization.

561378050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82102 (or 82097 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 561378050 is about 23693.4178623516. The cubic root of 561378050 is about 824.9326176984.

The spelling of 561378050 in words is "five hundred sixty-one million, three hundred seventy-eight thousand, fifty".