561044053 has 4 divisors (see below), whose sum is σ = 564617740. Its totient is φ = 557470368.

The previous prime is 561044051. The next prime is 561044069. The reversal of 561044053 is 350440165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 350440165 = 5 ⋅70088033.

It can be written as a sum of positive squares in 2 ways, for example, as 110628324 + 450415729 = 10518^2 + 21223^2 .

It is a cyclic number.

It is not a de Polignac number, because 561044053 - 2¹ = 561044051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561044051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1786608 + ... + 1786921.

It is an arithmetic number, because the mean of its divisors is an integer number (141154435).

Almost surely, 2^561044053 is an apocalyptic number.

It is an amenable number.

561044053 is a deficient number, since it is larger than the sum of its proper divisors (3573687).

561044053 is a wasteful number, since it uses less digits than its factorization.

561044053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573686.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 561044053 is about 23686.3685059572. The cubic root of 561044053 is about 824.7689848431.

The spelling of 561044053 in words is "five hundred sixty-one million, forty-four thousand, fifty-three".