5661520024 has 32 divisors (see below), whose sum is σ = 10657980000. Its totient is φ = 2819418112.

The previous prime is 5661520019. The next prime is 5661520027. The reversal of 5661520024 is 4200251665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661520027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2775597 + ... + 2777635.

It is an arithmetic number, because the mean of its divisors is an integer number (333061875).

Almost surely, 2^5661520024 is an apocalyptic number.

It is an amenable number.

5661520024 is a deficient number, since it is larger than the sum of its proper divisors (4996459976).

5661520024 is a wasteful number, since it uses less digits than its factorization.

5661520024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3263 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 5661520024 is about 75243.0729303369. The cubic root of 5661520024 is about 1782.2871772855.

Adding to 5661520024 its reverse (4200251665), we get a palindrome (9861771689).

The spelling of 5661520024 in words is "five billion, six hundred sixty-one million, five hundred twenty thousand, twenty-four".