5561420252 has 12 divisors (see below), whose sum is σ = 9841839840. Its totient is φ = 2749466016.

The previous prime is 5561420237. The next prime is 5561420287. The reversal of 5561420252 is 2520241655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7810628 + ... + 7811339.

It is an arithmetic number, because the mean of its divisors is an integer number (820153320).

Almost surely, 2^5561420252 is an apocalyptic number.

It is an amenable number.

5561420252 is a deficient number, since it is larger than the sum of its proper divisors (4280419588).

5561420252 is a wasteful number, since it uses less digits than its factorization.

5561420252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15622060 (or 15622058 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 5561420252 is about 74574.9304525321. The cubic root of 5561420252 is about 1771.7206131274.

The spelling of 5561420252 in words is "five billion, five hundred sixty-one million, four hundred twenty thousand, two hundred fifty-two".