561056232 has 64 divisors (see below), whose sum is σ = 1541928960. Its totient is φ = 168708800.

The previous prime is 561056231. The next prime is 561056233. The reversal of 561056232 is 232650165.

It is an interprime number because it is at equal distance from previous prime (561056231) and next prime (561056233).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 561056232.

It is not an unprimeable number, because it can be changed into a prime (561056231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26473 + ... + 42695.

It is an arithmetic number, because the mean of its divisors is an integer number (24092640).

Almost surely, 2^561056232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561056232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (770964480).

561056232 is an abundant number, since it is smaller than the sum of its proper divisors (980872728).

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

561056232 is a wasteful number, since it uses less digits than its factorization.

561056232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16374 (or 16370 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 561056232 is about 23686.6255933596. The cubic root of 561056232 is about 824.7749527576.

The spelling of 561056232 in words is "five hundred sixty-one million, fifty-six thousand, two hundred thirty-two".