551104992 has 96 divisors (see below), whose sum is σ = 1615541760. Its totient is φ = 182770560.

The previous prime is 551104979. The next prime is 551104993. The reversal of 551104992 is 299401155.

551104992 is a `hidden beast` number, since 55 + 110 + 499 + 2 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551104993) 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, 180793 + ... + 183815.

It is an arithmetic number, because the mean of its divisors is an integer number (16828560).

Almost surely, 2^551104992 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 551104992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (807770880).

551104992 is an abundant number, since it is smaller than the sum of its proper divisors (1064436768).

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

551104992 is a wasteful number, since it uses less digits than its factorization.

551104992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253 (or 3239 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 36.

The square root of 551104992 is about 23475.6254868747. The cubic root of 551104992 is about 819.8695965545.

The spelling of 551104992 in words is "five hundred fifty-one million, one hundred four thousand, nine hundred ninety-two".