3561537552 has 20 divisors (see below), whose sum is σ = 9200638800. Its totient is φ = 1187179168.

The previous prime is 3561537547. The next prime is 3561537563. The reversal of 3561537552 is 2557351653.

It is a happy 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, 37099302 + ... + 37099397.

It is an arithmetic number, because the mean of its divisors is an integer number (460031940).

Almost surely, 2^3561537552 is an apocalyptic number.

It is an amenable number.

3561537552 is an abundant number, since it is smaller than the sum of its proper divisors (5639101248).

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

3561537552 is a wasteful number, since it uses less digits than its factorization.

3561537552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74198710 (or 74198704 counting only the distinct ones).

The product of its digits is 472500, while the sum is 42.

The square root of 3561537552 is about 59678.6188848234. The cubic root of 3561537552 is about 1527.1411367195.

The spelling of 3561537552 in words is "three billion, five hundred sixty-one million, five hundred thirty-seven thousand, five hundred fifty-two".