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55711020000 = 253542933169
BaseRepresentation
bin110011111000101000…
…101011001111100000
312022210121010001021010
4303320220223033200
51403044010120000
641332052300520
74011366566556
oct637050531740
9168717101233
1055711020000
1121699466999
12a969611740
13533acc88bc
1429a6dd7bd6
1516b0e48d50
hexcf8a2b3e0

55711020000 has 240 divisors, whose sum is σ = 183424847760. Its totient is φ = 14800896000.

The previous prime is 55711019999. The next prime is 55711020017. The reversal of 55711020000 is 2011755.

55711020000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17578416 + ... + 17581584.

It is an arithmetic number, because the mean of its divisors is an integer number (764270199).

Almost surely, 255711020000 is an apocalyptic number.

55711020000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55711020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91712423880).

55711020000 is an abundant number, since it is smaller than the sum of its proper divisors (127713827760).

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

55711020000 is a wasteful number, since it uses less digits than its factorization.

55711020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3495 (or 3472 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

Adding to 55711020000 its reverse (2011755), we get a palindrome (55713031755).

The spelling of 55711020000 in words is "fifty-five billion, seven hundred eleven million, twenty thousand".