555331054540 has 96 divisors (see below), whose sum is σ = 1271811542400. Its totient is φ = 202830925824.

The previous prime is 555331054517. The next prime is 555331054567. The reversal of 555331054540 is 45450133555.

It is a happy number.

It is a super-2 number, since 2×555331054540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 555331054493 and 555331054502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4327177 + ... + 4453663.

It is an arithmetic number, because the mean of its divisors is an integer number (13248036900).

Almost surely, 2^555331054540 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 555331054540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635905771200).

555331054540 is an abundant number, since it is smaller than the sum of its proper divisors (716480487860).

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

555331054540 is a wasteful number, since it uses less digits than its factorization.

555331054540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126899 (or 126897 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 555331054540 in words is "five hundred fifty-five billion, three hundred thirty-one million, fifty-four thousand, five hundred forty".