546621726552 has 128 divisors (see below), whose sum is σ = 1558151631360. Its totient is φ = 158181534720.

The previous prime is 546621726527. The next prime is 546621726557. The reversal of 546621726552 is 255627126645.

It is a junction number, because it is equal to n+sod(n) for n = 546621726495 and 546621726504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546621726557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3648708 + ... + 3795564.

It is an arithmetic number, because the mean of its divisors is an integer number (12173059620).

Almost surely, 2^546621726552 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 546621726552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779075815680).

546621726552 is an abundant number, since it is smaller than the sum of its proper divisors (1011529904808).

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

546621726552 is a wasteful number, since it uses less digits than its factorization.

546621726552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147513 (or 147509 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 546621726552 in words is "five hundred forty-six billion, six hundred twenty-one million, seven hundred twenty-six thousand, five hundred fifty-two".