561056048 has 40 divisors (see below), whose sum is σ = 1245277440. Its totient is φ = 239883840.

The previous prime is 561056009. The next prime is 561056077. The reversal of 561056048 is 840650165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 561055999 and 561056017.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43463 + ... + 54873.

It is an arithmetic number, because the mean of its divisors is an integer number (31131936).

Almost surely, 2^561056048 is an apocalyptic number.

It is an amenable number.

561056048 is an abundant number, since it is smaller than the sum of its proper divisors (684221392).

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

561056048 is a wasteful number, since it uses less digits than its factorization.

561056048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11865 (or 11859 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 561056048 is about 23686.6217093109. The cubic root of 561056048 is about 824.7748625951.

The spelling of 561056048 in words is "five hundred sixty-one million, fifty-six thousand, forty-eight".