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55582532780 = 22523122998317
BaseRepresentation
bin110011110000111110…
…100010010010101100
312022110122100012221012
4303300332202102230
51402313112022110
641311222324352
74005246506345
oct636076422254
9168418305835
1055582532780
1121632988605
12a9325896b8
13531a4bc868
142993d0d0cc
1516a4a18905
hexcf0fa24ac

55582532780 has 48 divisors (see below), whose sum is σ = 121898589120. Its totient is φ = 21248840448.

The previous prime is 55582532777. The next prime is 55582532899. The reversal of 55582532780 is 8723528555.

55582532780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 516182 + ... + 614498.

It is an arithmetic number, because the mean of its divisors is an integer number (2539553940).

Almost surely, 255582532780 is an apocalyptic number.

It is an amenable number.

55582532780 is an abundant number, since it is smaller than the sum of its proper divisors (66316056340).

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

55582532780 is a wasteful number, since it uses less digits than its factorization.

55582532780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99578 (or 99576 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 55582532780 in words is "fifty-five billion, five hundred eighty-two million, five hundred thirty-two thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 1229 2458 4916 6145 12290 24580 28267 56534 98317 113068 141335 196634 282670 393268 491585 565340 983170 1966340 2261291 4522582 9045164 11306455 22612910 45225820 120831593 241663186 483326372 604157965 1208315930 2416631860 2779126639 5558253278 11116506556 13895633195 27791266390 55582532780