551523545046 has 48 divisors (see below), whose sum is σ = 1228899392448. Its totient is φ = 178634160000.

The previous prime is 551523545011. The next prime is 551523545047. The reversal of 551523545046 is 640545325155.

551523545046 is a `hidden beast` number, since 5 + 5 + 152 + 3 + 5 + 450 + 46 = 666.

It is a super-2 number, since 2×551523545046² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551523544992 and 551523545010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551523545047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51175 + ... + 1051506.

It is an arithmetic number, because the mean of its divisors is an integer number (25602070676).

Almost surely, 2^551523545046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551523545046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (614449696224).

551523545046 is an abundant number, since it is smaller than the sum of its proper divisors (677375847402).

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

551523545046 is a wasteful number, since it uses less digits than its factorization.

551523545046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103477 (or 1103474 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 45.

The spelling of 551523545046 in words is "five hundred fifty-one billion, five hundred twenty-three million, five hundred forty-five thousand, forty-six".