551252432736 has 96 divisors (see below), whose sum is σ = 1608858810720. Its totient is φ = 183632044032.

The previous prime is 551252432723. The next prime is 551252432737. The reversal of 551252432736 is 637234252155.

551252432736 is a `hidden beast` number, since 5 + 51 + 2 + 524 + 3 + 2 + 73 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 551252432691 and 551252432700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551252432737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1136376 + ... + 1547208.

It is an arithmetic number, because the mean of its divisors is an integer number (16758945945).

Almost surely, 2^551252432736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551252432736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804429405360).

551252432736 is an abundant number, since it is smaller than the sum of its proper divisors (1057606377984).

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

551252432736 is a wasteful number, since it uses less digits than its factorization.

551252432736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412405 (or 412391 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 45.

The spelling of 551252432736 in words is "five hundred fifty-one billion, two hundred fifty-two million, four hundred thirty-two thousand, seven hundred thirty-six".