561750132 has 48 divisors (see below), whose sum is σ = 1389635072. Its totient is φ = 176307840.

The previous prime is 561750121. The next prime is 561750149. The reversal of 561750132 is 231057165.

It is a self number, because there is not a number n which added to its sum of digits gives 561750132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6643 + ... + 34170.

Almost surely, 2^561750132 is an apocalyptic number.

It is an amenable number.

561750132 is an abundant number, since it is smaller than the sum of its proper divisors (827884940).

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

561750132 is a wasteful number, since it uses less digits than its factorization.

561750132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40888 (or 40886 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 561750132 is about 23701.2685736439. The cubic root of 561750132 is about 825.1148328677.

The spelling of 561750132 in words is "five hundred sixty-one million, seven hundred fifty thousand, one hundred thirty-two".