550421451214540 has 96 divisors (see below), whose sum is σ = 1203716812161024. Its totient is φ = 211190534522880.

The previous prime is 550421451214501. The next prime is 550421451214601. The reversal of 550421451214540 is 45412154124055.

It is a super-2 number, since 2×550421451214540² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29019837 + ... + 44079403.

It is an arithmetic number, because the mean of its divisors is an integer number (12538716793344).

Almost surely, 2^{550421451214540} 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 550421451214540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (601858406080512).

550421451214540 is an abundant number, since it is smaller than the sum of its proper divisors (653295360946484).

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

550421451214540 is a wasteful number, since it uses less digits than its factorization.

550421451214540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060127 (or 15060125 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 43.

The spelling of 550421451214540 in words is "five hundred fifty trillion, four hundred twenty-one billion, four hundred fifty-one million, two hundred fourteen thousand, five hundred forty".