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55708880754 = 2371719129461
BaseRepresentation
bin110011111000100000…
…100000111101110010
312022210110002100202210
4303320200200331302
51403042433141004
641331534352550
74011342446652
oct637040407562
9168713070683
1055708880754
112169823571a
12a96895b756
13533a729c87
1429a69dc362
1516b0b75089
hexcf8820f72

55708880754 has 16 divisors (see below), whose sum is σ = 111420175680. Its totient is φ = 18569224560.

The previous prime is 55708880729. The next prime is 55708880771. The reversal of 55708880754 is 45708880755.

It is a junction number, because it is equal to n+sod(n) for n = 55708880694 and 55708880703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365584 + ... + 495044.

It is an arithmetic number, because the mean of its divisors is an integer number (6963760980).

Almost surely, 255708880754 is an apocalyptic number.

55708880754 is an abundant number, since it is smaller than the sum of its proper divisors (55711294926).

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

55708880754 is a wasteful number, since it uses less digits than its factorization.

55708880754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201185.

The product of its (nonzero) digits is 12544000, while the sum is 57.

Subtracting from 55708880754 its reverse (45708880755), we obtain a palindrome (9999999999).

The spelling of 55708880754 in words is "fifty-five billion, seven hundred eight million, eight hundred eighty thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 71719 129461 143438 215157 258922 388383 430314 776766 9284813459 18569626918 27854440377 55708880754