Search a number
-
+
50553020420 = 2257361093003
BaseRepresentation
bin101111000101001100…
…011110000000000100
311211111010102112000122
4233011030132000010
51312013033123140
635120154401112
73436515404120
oct570514360004
9154433375018
1050553020420
111a491953521
12996a130198
1349c84c9c46
142637d68580
1514ad1d2ab5
hexbc531e004

50553020420 has 24 divisors (see below), whose sum is σ = 121327249344. Its totient is φ = 17332464096.

The previous prime is 50553020387. The next prime is 50553020489. The reversal of 50553020420 is 2402035505.

It is a self number, because there is not a number n which added to its sum of digits gives 50553020420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180546362 + ... + 180546641.

It is an arithmetic number, because the mean of its divisors is an integer number (5055302056).

Almost surely, 250553020420 is an apocalyptic number.

It is an amenable number.

50553020420 is an abundant number, since it is smaller than the sum of its proper divisors (70774228924).

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

50553020420 is a wasteful number, since it uses less digits than its factorization.

50553020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361093019 (or 361093017 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

Adding to 50553020420 its reverse (2402035505), we get a palindrome (52955055925).

The spelling of 50553020420 in words is "fifty billion, five hundred fifty-three million, twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 361093003 722186006 1444372012 1805465015 2527651021 3610930030 5055302042 7221860060 10110604084 12638255105 25276510210 50553020420