Search a number
-
+
55528758260 = 2255371972859
BaseRepresentation
bin110011101101110001…
…011001101111110100
312022022220011012011022
4303231301121233310
51402210330231020
641302022000312
74004024441333
oct635561315764
9168286135138
1055528758260
1121605599a58
12a918576098
13530c312411
14298ab11d1a
15169ee45625
hexcedc59bf4

55528758260 has 48 divisors (see below), whose sum is σ = 118977465600. Its totient is φ = 21761810304.

The previous prime is 55528758247. The next prime is 55528758323. The reversal of 55528758260 is 6285782555.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

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, 725711 + ... + 798569.

It is an arithmetic number, because the mean of its divisors is an integer number (2478697200).

Almost surely, 255528758260 is an apocalyptic number.

It is an amenable number.

55528758260 is an abundant number, since it is smaller than the sum of its proper divisors (63448707340).

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

55528758260 is a wasteful number, since it uses less digits than its factorization.

55528758260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73640 (or 73638 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 55528758260 in words is "fifty-five billion, five hundred twenty-eight million, seven hundred fifty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 53 106 212 265 530 719 1060 1438 2876 3595 7190 14380 38107 72859 76214 145718 152428 190535 291436 364295 381070 728590 762140 1457180 3861527 7723054 15446108 19307635 38615270 52385621 77230540 104771242 209542484 261928105 523856210 1047712420 2776437913 5552875826 11105751652 13882189565 27764379130 55528758260