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56005050 = 23523710091
BaseRepresentation
bin1101010110100…
…1000110111010
310220101100111010
43111221012322
5103314130200
65320214350
71250015013
oct325510672
9126340433
1056005050
1129682472
121690a3b6
13b7ab7aa
14761c00a
154db4150
hex35691ba

56005050 has 48 divisors (see below), whose sum is σ = 142660512. Its totient is φ = 14529600.

The previous prime is 56005043. The next prime is 56005063. The reversal of 56005050 is 5050065.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (2972094).

Almost surely, 256005050 is an apocalyptic number.

56005050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56005050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71330256).

56005050 is an abundant number, since it is smaller than the sum of its proper divisors (86655462).

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

56005050 is a wasteful number, since it uses less digits than its factorization.

56005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143 (or 10138 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 21.

The square root of 56005050 is about 7483.6521832592. The cubic root of 56005050 is about 382.5977365689.

The spelling of 56005050 in words is "fifty-six million, five thousand, fifty".

Divisors: 1 2 3 5 6 10 15 25 30 37 50 74 75 111 150 185 222 370 555 925 1110 1850 2775 5550 10091 20182 30273 50455 60546 100910 151365 252275 302730 373367 504550 746734 756825 1120101 1513650 1866835 2240202 3733670 5600505 9334175 11201010 18668350 28002525 56005050