555421104540 has 48 divisors (see below), whose sum is σ = 1727976771360. Its totient is φ = 148112294400.

The previous prime is 555421104529. The next prime is 555421104559. The reversal of 555421104540 is 45401124555.

555421104540 is a `hidden beast` number, since 5 + 5 + 5 + 4 + 2 + 1 + 104 + 540 = 666.

It is a super-2 number, since 2×555421104540² (a number of 24 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 555421104495 and 555421104504.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 514278261 + ... + 514279340.

It is an arithmetic number, because the mean of its divisors is an integer number (35999516070).

Almost surely, 2^555421104540 is an apocalyptic number.

It is an amenable number.

555421104540 is an abundant number, since it is smaller than the sum of its proper divisors (1172555666820).

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

555421104540 is a wasteful number, since it uses less digits than its factorization.

555421104540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028557619 (or 1028557611 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 555421104540 in words is "five hundred fifty-five billion, four hundred twenty-one million, one hundred four thousand, five hundred forty".