65550551562 has 64 divisors (see below), whose sum is σ = 147203723520. Its totient is φ = 21620088000.

The previous prime is 65550551537. The next prime is 65550551579. The reversal of 65550551562 is 26515505556.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12066987 + ... + 12072417.

It is an arithmetic number, because the mean of its divisors is an integer number (2300058180).

Almost surely, 2^65550551562 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65550551562, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73601861760).

65550551562 is an abundant number, since it is smaller than the sum of its proper divisors (81653171958).

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

65550551562 is a wasteful number, since it uses less digits than its factorization.

65550551562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7756 (or 7750 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 65550551562 in words is "sixty-five billion, five hundred fifty million, five hundred fifty-one thousand, five hundred sixty-two".