555050020 has 96 divisors (see below), whose sum is σ = 1375089408. Its totient is φ = 184246272.

The previous prime is 555050003. The next prime is 555050029. The reversal of 555050020 is 20050555.

It is a junction number, because it is equal to n+sod(n) for n = 555049973 and 555050000.

It is not an unprimeable number, because it can be changed into a prime (555050029) 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, 824404 + ... + 825076.

It is an arithmetic number, because the mean of its divisors is an integer number (14323848).

Almost surely, 2^555050020 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 555050020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687544704).

555050020 is an abundant number, since it is smaller than the sum of its proper divisors (820039388).

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

555050020 is a wasteful number, since it uses less digits than its factorization.

555050020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869 (or 867 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The square root of 555050020 is about 23559.4995702371. The cubic root of 555050020 is about 821.8212641934.

The spelling of 555050020 in words is "five hundred fifty-five million, fifty thousand, twenty".